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authorIra Snyder <iws@ovro.caltech.edu>2010-01-06 08:34:01 -0500
committerDan Williams <dan.j.williams@intel.com>2010-02-02 16:51:41 -0500
commita4f56d4b103d4e5d1a59a9118db0185a6bd1a83b (patch)
treeaa00d6faf06d168e57c090f1eb05b16596b9a299 /drivers/dma/fsldma.c
parent4ce0e953f6286777452bf07c83056342d6b9b257 (diff)
fsldma: rename struct fsl_dma_chan to struct fsldma_chan
This is the beginning of a cleanup which will change all instances of "fsl_dma" to "fsldma" to match the name of the driver itself. Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/fsldma.c')
-rw-r--r--drivers/dma/fsldma.c128
1 files changed, 68 insertions, 60 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 0b4e6383f48..6795d96e362 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -37,7 +37,7 @@
37#include <asm/fsldma.h> 37#include <asm/fsldma.h>
38#include "fsldma.h" 38#include "fsldma.h"
39 39
40static void dma_init(struct fsl_dma_chan *fsl_chan) 40static void dma_init(struct fsldma_chan *fsl_chan)
41{ 41{
42 /* Reset the channel */ 42 /* Reset the channel */
43 DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, 0, 32); 43 DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, 0, 32);
@@ -64,23 +64,23 @@ static void dma_init(struct fsl_dma_chan *fsl_chan)
64 64
65} 65}
66 66
67static void set_sr(struct fsl_dma_chan *fsl_chan, u32 val) 67static void set_sr(struct fsldma_chan *fsl_chan, u32 val)
68{ 68{
69 DMA_OUT(fsl_chan, &fsl_chan->reg_base->sr, val, 32); 69 DMA_OUT(fsl_chan, &fsl_chan->reg_base->sr, val, 32);
70} 70}
71 71
72static u32 get_sr(struct fsl_dma_chan *fsl_chan) 72static u32 get_sr(struct fsldma_chan *fsl_chan)
73{ 73{
74 return DMA_IN(fsl_chan, &fsl_chan->reg_base->sr, 32); 74 return DMA_IN(fsl_chan, &fsl_chan->reg_base->sr, 32);
75} 75}
76 76
77static void set_desc_cnt(struct fsl_dma_chan *fsl_chan, 77static void set_desc_cnt(struct fsldma_chan *fsl_chan,
78 struct fsl_dma_ld_hw *hw, u32 count) 78 struct fsl_dma_ld_hw *hw, u32 count)
79{ 79{
80 hw->count = CPU_TO_DMA(fsl_chan, count, 32); 80 hw->count = CPU_TO_DMA(fsl_chan, count, 32);
81} 81}
82 82
83static void set_desc_src(struct fsl_dma_chan *fsl_chan, 83static void set_desc_src(struct fsldma_chan *fsl_chan,
84 struct fsl_dma_ld_hw *hw, dma_addr_t src) 84 struct fsl_dma_ld_hw *hw, dma_addr_t src)
85{ 85{
86 u64 snoop_bits; 86 u64 snoop_bits;
@@ -90,7 +90,7 @@ static void set_desc_src(struct fsl_dma_chan *fsl_chan,
90 hw->src_addr = CPU_TO_DMA(fsl_chan, snoop_bits | src, 64); 90 hw->src_addr = CPU_TO_DMA(fsl_chan, snoop_bits | src, 64);
91} 91}
92 92
93static void set_desc_dest(struct fsl_dma_chan *fsl_chan, 93static void set_desc_dest(struct fsldma_chan *fsl_chan,
94 struct fsl_dma_ld_hw *hw, dma_addr_t dest) 94 struct fsl_dma_ld_hw *hw, dma_addr_t dest)
95{ 95{
96 u64 snoop_bits; 96 u64 snoop_bits;
@@ -100,7 +100,7 @@ static void set_desc_dest(struct fsl_dma_chan *fsl_chan,
100 hw->dst_addr = CPU_TO_DMA(fsl_chan, snoop_bits | dest, 64); 100 hw->dst_addr = CPU_TO_DMA(fsl_chan, snoop_bits | dest, 64);
101} 101}
102 102
103static void set_desc_next(struct fsl_dma_chan *fsl_chan, 103static void set_desc_next(struct fsldma_chan *fsl_chan,
104 struct fsl_dma_ld_hw *hw, dma_addr_t next) 104 struct fsl_dma_ld_hw *hw, dma_addr_t next)
105{ 105{
106 u64 snoop_bits; 106 u64 snoop_bits;
@@ -110,38 +110,38 @@ static void set_desc_next(struct fsl_dma_chan *fsl_chan,
110 hw->next_ln_addr = CPU_TO_DMA(fsl_chan, snoop_bits | next, 64); 110 hw->next_ln_addr = CPU_TO_DMA(fsl_chan, snoop_bits | next, 64);
111} 111}
112 112
113static void set_cdar(struct fsl_dma_chan *fsl_chan, dma_addr_t addr) 113static void set_cdar(struct fsldma_chan *fsl_chan, dma_addr_t addr)
114{ 114{
115 DMA_OUT(fsl_chan, &fsl_chan->reg_base->cdar, addr | FSL_DMA_SNEN, 64); 115 DMA_OUT(fsl_chan, &fsl_chan->reg_base->cdar, addr | FSL_DMA_SNEN, 64);
116} 116}
117 117
118static dma_addr_t get_cdar(struct fsl_dma_chan *fsl_chan) 118static dma_addr_t get_cdar(struct fsldma_chan *fsl_chan)
119{ 119{
120 return DMA_IN(fsl_chan, &fsl_chan->reg_base->cdar, 64) & ~FSL_DMA_SNEN; 120 return DMA_IN(fsl_chan, &fsl_chan->reg_base->cdar, 64) & ~FSL_DMA_SNEN;
121} 121}
122 122
123static void set_ndar(struct fsl_dma_chan *fsl_chan, dma_addr_t addr) 123static void set_ndar(struct fsldma_chan *fsl_chan, dma_addr_t addr)
124{ 124{
125 DMA_OUT(fsl_chan, &fsl_chan->reg_base->ndar, addr, 64); 125 DMA_OUT(fsl_chan, &fsl_chan->reg_base->ndar, addr, 64);
126} 126}
127 127
128static dma_addr_t get_ndar(struct fsl_dma_chan *fsl_chan) 128static dma_addr_t get_ndar(struct fsldma_chan *fsl_chan)
129{ 129{
130 return DMA_IN(fsl_chan, &fsl_chan->reg_base->ndar, 64); 130 return DMA_IN(fsl_chan, &fsl_chan->reg_base->ndar, 64);
131} 131}
132 132
133static u32 get_bcr(struct fsl_dma_chan *fsl_chan) 133static u32 get_bcr(struct fsldma_chan *fsl_chan)
134{ 134{
135 return DMA_IN(fsl_chan, &fsl_chan->reg_base->bcr, 32); 135 return DMA_IN(fsl_chan, &fsl_chan->reg_base->bcr, 32);
136} 136}
137 137
138static int dma_is_idle(struct fsl_dma_chan *fsl_chan) 138static int dma_is_idle(struct fsldma_chan *fsl_chan)
139{ 139{
140 u32 sr = get_sr(fsl_chan); 140 u32 sr = get_sr(fsl_chan);
141 return (!(sr & FSL_DMA_SR_CB)) || (sr & FSL_DMA_SR_CH); 141 return (!(sr & FSL_DMA_SR_CB)) || (sr & FSL_DMA_SR_CH);
142} 142}
143 143
144static void dma_start(struct fsl_dma_chan *fsl_chan) 144static void dma_start(struct fsldma_chan *fsl_chan)
145{ 145{
146 u32 mode; 146 u32 mode;
147 147
@@ -164,7 +164,7 @@ static void dma_start(struct fsl_dma_chan *fsl_chan)
164 DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, mode, 32); 164 DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, mode, 32);
165} 165}
166 166
167static void dma_halt(struct fsl_dma_chan *fsl_chan) 167static void dma_halt(struct fsldma_chan *fsl_chan)
168{ 168{
169 u32 mode; 169 u32 mode;
170 int i; 170 int i;
@@ -186,7 +186,7 @@ static void dma_halt(struct fsl_dma_chan *fsl_chan)
186 dev_err(fsl_chan->dev, "DMA halt timeout!\n"); 186 dev_err(fsl_chan->dev, "DMA halt timeout!\n");
187} 187}
188 188
189static void set_ld_eol(struct fsl_dma_chan *fsl_chan, 189static void set_ld_eol(struct fsldma_chan *fsl_chan,
190 struct fsl_desc_sw *desc) 190 struct fsl_desc_sw *desc)
191{ 191{
192 u64 snoop_bits; 192 u64 snoop_bits;
@@ -199,7 +199,7 @@ static void set_ld_eol(struct fsl_dma_chan *fsl_chan,
199 | snoop_bits, 64); 199 | snoop_bits, 64);
200} 200}
201 201
202static void append_ld_queue(struct fsl_dma_chan *fsl_chan, 202static void append_ld_queue(struct fsldma_chan *fsl_chan,
203 struct fsl_desc_sw *new_desc) 203 struct fsl_desc_sw *new_desc)
204{ 204{
205 struct fsl_desc_sw *queue_tail = to_fsl_desc(fsl_chan->ld_queue.prev); 205 struct fsl_desc_sw *queue_tail = to_fsl_desc(fsl_chan->ld_queue.prev);
@@ -231,7 +231,7 @@ static void append_ld_queue(struct fsl_dma_chan *fsl_chan,
231 * read data from SA, SA + 1, SA + 2, SA + 3, then loop back to SA, 231 * read data from SA, SA + 1, SA + 2, SA + 3, then loop back to SA,
232 * SA + 1 ... and so on. 232 * SA + 1 ... and so on.
233 */ 233 */
234static void fsl_chan_set_src_loop_size(struct fsl_dma_chan *fsl_chan, int size) 234static void fsl_chan_set_src_loop_size(struct fsldma_chan *fsl_chan, int size)
235{ 235{
236 u32 mode; 236 u32 mode;
237 237
@@ -263,7 +263,7 @@ static void fsl_chan_set_src_loop_size(struct fsl_dma_chan *fsl_chan, int size)
263 * write data to TA, TA + 1, TA + 2, TA + 3, then loop back to TA, 263 * write data to TA, TA + 1, TA + 2, TA + 3, then loop back to TA,
264 * TA + 1 ... and so on. 264 * TA + 1 ... and so on.
265 */ 265 */
266static void fsl_chan_set_dest_loop_size(struct fsl_dma_chan *fsl_chan, int size) 266static void fsl_chan_set_dest_loop_size(struct fsldma_chan *fsl_chan, int size)
267{ 267{
268 u32 mode; 268 u32 mode;
269 269
@@ -296,7 +296,7 @@ static void fsl_chan_set_dest_loop_size(struct fsl_dma_chan *fsl_chan, int size)
296 * 296 *
297 * A size of 0 disables external pause control. The maximum size is 1024. 297 * A size of 0 disables external pause control. The maximum size is 1024.
298 */ 298 */
299static void fsl_chan_set_request_count(struct fsl_dma_chan *fsl_chan, int size) 299static void fsl_chan_set_request_count(struct fsldma_chan *fsl_chan, int size)
300{ 300{
301 u32 mode; 301 u32 mode;
302 302
@@ -317,7 +317,7 @@ static void fsl_chan_set_request_count(struct fsl_dma_chan *fsl_chan, int size)
317 * The DMA Request Count feature should be used in addition to this feature 317 * The DMA Request Count feature should be used in addition to this feature
318 * to set the number of bytes to transfer before pausing the channel. 318 * to set the number of bytes to transfer before pausing the channel.
319 */ 319 */
320static void fsl_chan_toggle_ext_pause(struct fsl_dma_chan *fsl_chan, int enable) 320static void fsl_chan_toggle_ext_pause(struct fsldma_chan *fsl_chan, int enable)
321{ 321{
322 if (enable) 322 if (enable)
323 fsl_chan->feature |= FSL_DMA_CHAN_PAUSE_EXT; 323 fsl_chan->feature |= FSL_DMA_CHAN_PAUSE_EXT;
@@ -335,7 +335,7 @@ static void fsl_chan_toggle_ext_pause(struct fsl_dma_chan *fsl_chan, int enable)
335 * transfer immediately. The DMA channel will wait for the 335 * transfer immediately. The DMA channel will wait for the
336 * control pin asserted. 336 * control pin asserted.
337 */ 337 */
338static void fsl_chan_toggle_ext_start(struct fsl_dma_chan *fsl_chan, int enable) 338static void fsl_chan_toggle_ext_start(struct fsldma_chan *fsl_chan, int enable)
339{ 339{
340 if (enable) 340 if (enable)
341 fsl_chan->feature |= FSL_DMA_CHAN_START_EXT; 341 fsl_chan->feature |= FSL_DMA_CHAN_START_EXT;
@@ -345,7 +345,7 @@ static void fsl_chan_toggle_ext_start(struct fsl_dma_chan *fsl_chan, int enable)
345 345
346static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx) 346static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
347{ 347{
348 struct fsl_dma_chan *fsl_chan = to_fsl_chan(tx->chan); 348 struct fsldma_chan *fsl_chan = to_fsl_chan(tx->chan);
349 struct fsl_desc_sw *desc = tx_to_fsl_desc(tx); 349 struct fsl_desc_sw *desc = tx_to_fsl_desc(tx);
350 struct fsl_desc_sw *child; 350 struct fsl_desc_sw *child;
351 unsigned long flags; 351 unsigned long flags;
@@ -379,7 +379,7 @@ static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
379 * Return - The descriptor allocated. NULL for failed. 379 * Return - The descriptor allocated. NULL for failed.
380 */ 380 */
381static struct fsl_desc_sw *fsl_dma_alloc_descriptor( 381static struct fsl_desc_sw *fsl_dma_alloc_descriptor(
382 struct fsl_dma_chan *fsl_chan) 382 struct fsldma_chan *fsl_chan)
383{ 383{
384 dma_addr_t pdesc; 384 dma_addr_t pdesc;
385 struct fsl_desc_sw *desc_sw; 385 struct fsl_desc_sw *desc_sw;
@@ -408,7 +408,7 @@ static struct fsl_desc_sw *fsl_dma_alloc_descriptor(
408 */ 408 */
409static int fsl_dma_alloc_chan_resources(struct dma_chan *chan) 409static int fsl_dma_alloc_chan_resources(struct dma_chan *chan)
410{ 410{
411 struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan); 411 struct fsldma_chan *fsl_chan = to_fsl_chan(chan);
412 412
413 /* Has this channel already been allocated? */ 413 /* Has this channel already been allocated? */
414 if (fsl_chan->desc_pool) 414 if (fsl_chan->desc_pool)
@@ -435,7 +435,7 @@ static int fsl_dma_alloc_chan_resources(struct dma_chan *chan)
435 */ 435 */
436static void fsl_dma_free_chan_resources(struct dma_chan *chan) 436static void fsl_dma_free_chan_resources(struct dma_chan *chan)
437{ 437{
438 struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan); 438 struct fsldma_chan *fsl_chan = to_fsl_chan(chan);
439 struct fsl_desc_sw *desc, *_desc; 439 struct fsl_desc_sw *desc, *_desc;
440 unsigned long flags; 440 unsigned long flags;
441 441
@@ -459,7 +459,7 @@ static void fsl_dma_free_chan_resources(struct dma_chan *chan)
459static struct dma_async_tx_descriptor * 459static struct dma_async_tx_descriptor *
460fsl_dma_prep_interrupt(struct dma_chan *chan, unsigned long flags) 460fsl_dma_prep_interrupt(struct dma_chan *chan, unsigned long flags)
461{ 461{
462 struct fsl_dma_chan *fsl_chan; 462 struct fsldma_chan *fsl_chan;
463 struct fsl_desc_sw *new; 463 struct fsl_desc_sw *new;
464 464
465 if (!chan) 465 if (!chan)
@@ -489,7 +489,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
489 struct dma_chan *chan, dma_addr_t dma_dest, dma_addr_t dma_src, 489 struct dma_chan *chan, dma_addr_t dma_dest, dma_addr_t dma_src,
490 size_t len, unsigned long flags) 490 size_t len, unsigned long flags)
491{ 491{
492 struct fsl_dma_chan *fsl_chan; 492 struct fsldma_chan *fsl_chan;
493 struct fsl_desc_sw *first = NULL, *prev = NULL, *new; 493 struct fsl_desc_sw *first = NULL, *prev = NULL, *new;
494 struct list_head *list; 494 struct list_head *list;
495 size_t copy; 495 size_t copy;
@@ -575,7 +575,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_slave_sg(
575 struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len, 575 struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len,
576 enum dma_data_direction direction, unsigned long flags) 576 enum dma_data_direction direction, unsigned long flags)
577{ 577{
578 struct fsl_dma_chan *fsl_chan; 578 struct fsldma_chan *fsl_chan;
579 struct fsl_desc_sw *first = NULL, *prev = NULL, *new = NULL; 579 struct fsl_desc_sw *first = NULL, *prev = NULL, *new = NULL;
580 struct fsl_dma_slave *slave; 580 struct fsl_dma_slave *slave;
581 struct list_head *tx_list; 581 struct list_head *tx_list;
@@ -759,7 +759,7 @@ fail:
759 759
760static void fsl_dma_device_terminate_all(struct dma_chan *chan) 760static void fsl_dma_device_terminate_all(struct dma_chan *chan)
761{ 761{
762 struct fsl_dma_chan *fsl_chan; 762 struct fsldma_chan *fsl_chan;
763 struct fsl_desc_sw *desc, *tmp; 763 struct fsl_desc_sw *desc, *tmp;
764 unsigned long flags; 764 unsigned long flags;
765 765
@@ -786,7 +786,7 @@ static void fsl_dma_device_terminate_all(struct dma_chan *chan)
786 * fsl_dma_update_completed_cookie - Update the completed cookie. 786 * fsl_dma_update_completed_cookie - Update the completed cookie.
787 * @fsl_chan : Freescale DMA channel 787 * @fsl_chan : Freescale DMA channel
788 */ 788 */
789static void fsl_dma_update_completed_cookie(struct fsl_dma_chan *fsl_chan) 789static void fsl_dma_update_completed_cookie(struct fsldma_chan *fsl_chan)
790{ 790{
791 struct fsl_desc_sw *cur_desc, *desc; 791 struct fsl_desc_sw *cur_desc, *desc;
792 dma_addr_t ld_phy; 792 dma_addr_t ld_phy;
@@ -820,7 +820,7 @@ static void fsl_dma_update_completed_cookie(struct fsl_dma_chan *fsl_chan)
820 * If 'in_intr' is set, the function will move the link descriptor to 820 * If 'in_intr' is set, the function will move the link descriptor to
821 * the recycle list. Otherwise, free it directly. 821 * the recycle list. Otherwise, free it directly.
822 */ 822 */
823static void fsl_chan_ld_cleanup(struct fsl_dma_chan *fsl_chan) 823static void fsl_chan_ld_cleanup(struct fsldma_chan *fsl_chan)
824{ 824{
825 struct fsl_desc_sw *desc, *_desc; 825 struct fsl_desc_sw *desc, *_desc;
826 unsigned long flags; 826 unsigned long flags;
@@ -864,7 +864,7 @@ static void fsl_chan_ld_cleanup(struct fsl_dma_chan *fsl_chan)
864 * fsl_chan_xfer_ld_queue - Transfer link descriptors in channel ld_queue. 864 * fsl_chan_xfer_ld_queue - Transfer link descriptors in channel ld_queue.
865 * @fsl_chan : Freescale DMA channel 865 * @fsl_chan : Freescale DMA channel
866 */ 866 */
867static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan) 867static void fsl_chan_xfer_ld_queue(struct fsldma_chan *fsl_chan)
868{ 868{
869 struct list_head *ld_node; 869 struct list_head *ld_node;
870 dma_addr_t next_dest_addr; 870 dma_addr_t next_dest_addr;
@@ -912,7 +912,7 @@ out_unlock:
912 */ 912 */
913static void fsl_dma_memcpy_issue_pending(struct dma_chan *chan) 913static void fsl_dma_memcpy_issue_pending(struct dma_chan *chan)
914{ 914{
915 struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan); 915 struct fsldma_chan *fsl_chan = to_fsl_chan(chan);
916 916
917#ifdef FSL_DMA_LD_DEBUG 917#ifdef FSL_DMA_LD_DEBUG
918 struct fsl_desc_sw *ld; 918 struct fsl_desc_sw *ld;
@@ -949,7 +949,7 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *chan,
949 dma_cookie_t *done, 949 dma_cookie_t *done,
950 dma_cookie_t *used) 950 dma_cookie_t *used)
951{ 951{
952 struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan); 952 struct fsldma_chan *fsl_chan = to_fsl_chan(chan);
953 dma_cookie_t last_used; 953 dma_cookie_t last_used;
954 dma_cookie_t last_complete; 954 dma_cookie_t last_complete;
955 955
@@ -969,7 +969,7 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *chan,
969 969
970static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data) 970static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
971{ 971{
972 struct fsl_dma_chan *fsl_chan = (struct fsl_dma_chan *)data; 972 struct fsldma_chan *fsl_chan = data;
973 u32 stat; 973 u32 stat;
974 int update_cookie = 0; 974 int update_cookie = 0;
975 int xfer_ld_q = 0; 975 int xfer_ld_q = 0;
@@ -1050,9 +1050,9 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
1050 1050
1051static irqreturn_t fsl_dma_do_interrupt(int irq, void *data) 1051static irqreturn_t fsl_dma_do_interrupt(int irq, void *data)
1052{ 1052{
1053 struct fsl_dma_device *fdev = (struct fsl_dma_device *)data; 1053 struct fsldma_device *fdev = data;
1054 u32 gsr;
1055 int ch_nr; 1054 int ch_nr;
1055 u32 gsr;
1056 1056
1057 gsr = (fdev->feature & FSL_DMA_BIG_ENDIAN) ? in_be32(fdev->reg_base) 1057 gsr = (fdev->feature & FSL_DMA_BIG_ENDIAN) ? in_be32(fdev->reg_base)
1058 : in_le32(fdev->reg_base); 1058 : in_le32(fdev->reg_base);
@@ -1064,19 +1064,23 @@ static irqreturn_t fsl_dma_do_interrupt(int irq, void *data)
1064 1064
1065static void dma_do_tasklet(unsigned long data) 1065static void dma_do_tasklet(unsigned long data)
1066{ 1066{
1067 struct fsl_dma_chan *fsl_chan = (struct fsl_dma_chan *)data; 1067 struct fsldma_chan *fsl_chan = (struct fsldma_chan *)data;
1068 fsl_chan_ld_cleanup(fsl_chan); 1068 fsl_chan_ld_cleanup(fsl_chan);
1069} 1069}
1070 1070
1071static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev, 1071/*----------------------------------------------------------------------------*/
1072/* OpenFirmware Subsystem */
1073/*----------------------------------------------------------------------------*/
1074
1075static int __devinit fsl_dma_chan_probe(struct fsldma_device *fdev,
1072 struct device_node *node, u32 feature, const char *compatible) 1076 struct device_node *node, u32 feature, const char *compatible)
1073{ 1077{
1074 struct fsl_dma_chan *new_fsl_chan; 1078 struct fsldma_chan *new_fsl_chan;
1075 struct resource res; 1079 struct resource res;
1076 int err; 1080 int err;
1077 1081
1078 /* alloc channel */ 1082 /* alloc channel */
1079 new_fsl_chan = kzalloc(sizeof(struct fsl_dma_chan), GFP_KERNEL); 1083 new_fsl_chan = kzalloc(sizeof(*new_fsl_chan), GFP_KERNEL);
1080 if (!new_fsl_chan) { 1084 if (!new_fsl_chan) {
1081 dev_err(fdev->dev, "No free memory for allocating " 1085 dev_err(fdev->dev, "No free memory for allocating "
1082 "dma channels!\n"); 1086 "dma channels!\n");
@@ -1167,7 +1171,7 @@ err_no_reg:
1167 return err; 1171 return err;
1168} 1172}
1169 1173
1170static void fsl_dma_chan_remove(struct fsl_dma_chan *fchan) 1174static void fsl_dma_chan_remove(struct fsldma_chan *fchan)
1171{ 1175{
1172 if (fchan->irq != NO_IRQ) 1176 if (fchan->irq != NO_IRQ)
1173 free_irq(fchan->irq, fchan); 1177 free_irq(fchan->irq, fchan);
@@ -1176,15 +1180,15 @@ static void fsl_dma_chan_remove(struct fsl_dma_chan *fchan)
1176 kfree(fchan); 1180 kfree(fchan);
1177} 1181}
1178 1182
1179static int __devinit of_fsl_dma_probe(struct of_device *dev, 1183static int __devinit fsldma_of_probe(struct of_device *dev,
1180 const struct of_device_id *match) 1184 const struct of_device_id *match)
1181{ 1185{
1182 int err; 1186 int err;
1183 struct fsl_dma_device *fdev; 1187 struct fsldma_device *fdev;
1184 struct device_node *child; 1188 struct device_node *child;
1185 struct resource res; 1189 struct resource res;
1186 1190
1187 fdev = kzalloc(sizeof(struct fsl_dma_device), GFP_KERNEL); 1191 fdev = kzalloc(sizeof(*fdev), GFP_KERNEL);
1188 if (!fdev) { 1192 if (!fdev) {
1189 dev_err(&dev->dev, "No enough memory for 'priv'\n"); 1193 dev_err(&dev->dev, "No enough memory for 'priv'\n");
1190 return -ENOMEM; 1194 return -ENOMEM;
@@ -1256,9 +1260,9 @@ err_no_reg:
1256 return err; 1260 return err;
1257} 1261}
1258 1262
1259static int of_fsl_dma_remove(struct of_device *of_dev) 1263static int fsldma_of_remove(struct of_device *of_dev)
1260{ 1264{
1261 struct fsl_dma_device *fdev; 1265 struct fsldma_device *fdev;
1262 unsigned int i; 1266 unsigned int i;
1263 1267
1264 fdev = dev_get_drvdata(&of_dev->dev); 1268 fdev = dev_get_drvdata(&of_dev->dev);
@@ -1280,39 +1284,43 @@ static int of_fsl_dma_remove(struct of_device *of_dev)
1280 return 0; 1284 return 0;
1281} 1285}
1282 1286
1283static struct of_device_id of_fsl_dma_ids[] = { 1287static struct of_device_id fsldma_of_ids[] = {
1284 { .compatible = "fsl,eloplus-dma", }, 1288 { .compatible = "fsl,eloplus-dma", },
1285 { .compatible = "fsl,elo-dma", }, 1289 { .compatible = "fsl,elo-dma", },
1286 {} 1290 {}
1287}; 1291};
1288 1292
1289static struct of_platform_driver of_fsl_dma_driver = { 1293static struct of_platform_driver fsldma_of_driver = {
1290 .name = "fsl-elo-dma", 1294 .name = "fsl-elo-dma",
1291 .match_table = of_fsl_dma_ids, 1295 .match_table = fsldma_of_ids,
1292 .probe = of_fsl_dma_probe, 1296 .probe = fsldma_of_probe,
1293 .remove = of_fsl_dma_remove, 1297 .remove = fsldma_of_remove,
1294}; 1298};
1295 1299
1296static __init int of_fsl_dma_init(void) 1300/*----------------------------------------------------------------------------*/
1301/* Module Init / Exit */
1302/*----------------------------------------------------------------------------*/
1303
1304static __init int fsldma_init(void)
1297{ 1305{
1298 int ret; 1306 int ret;
1299 1307
1300 pr_info("Freescale Elo / Elo Plus DMA driver\n"); 1308 pr_info("Freescale Elo / Elo Plus DMA driver\n");
1301 1309
1302 ret = of_register_platform_driver(&of_fsl_dma_driver); 1310 ret = of_register_platform_driver(&fsldma_of_driver);
1303 if (ret) 1311 if (ret)
1304 pr_err("fsldma: failed to register platform driver\n"); 1312 pr_err("fsldma: failed to register platform driver\n");
1305 1313
1306 return ret; 1314 return ret;
1307} 1315}
1308 1316
1309static void __exit of_fsl_dma_exit(void) 1317static void __exit fsldma_exit(void)
1310{ 1318{
1311 of_unregister_platform_driver(&of_fsl_dma_driver); 1319 of_unregister_platform_driver(&fsldma_of_driver);
1312} 1320}
1313 1321
1314subsys_initcall(of_fsl_dma_init); 1322subsys_initcall(fsldma_init);
1315module_exit(of_fsl_dma_exit); 1323module_exit(fsldma_exit);
1316 1324
1317MODULE_DESCRIPTION("Freescale Elo / Elo Plus DMA driver"); 1325MODULE_DESCRIPTION("Freescale Elo / Elo Plus DMA driver");
1318MODULE_LICENSE("GPL"); 1326MODULE_LICENSE("GPL");