diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-09-02 02:17:56 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-09-02 02:17:56 -0400 |
commit | 936e894a976dd3b0f07f1f6f43c17b77b7e6146d (patch) | |
tree | 5ed5c1f6735dcd26550594df23c8f7fe2aa21a15 /drivers/dma/fsldma.c | |
parent | 69575d388603365f2afbf4166df93152df59b165 (diff) | |
parent | 326ba5010a5429a5a528b268b36a5900d4ab0eba (diff) |
Merge commit 'v2.6.31-rc8' into x86/txt
Conflicts:
arch/x86/kernel/reboot.c
security/Kconfig
Merge reason: resolve the conflicts, bump up from rc3 to rc8.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/dma/fsldma.c')
-rw-r--r-- | drivers/dma/fsldma.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index f18d1bde0439..ef87a8984145 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c | |||
@@ -12,6 +12,11 @@ | |||
12 | * also fit for MPC8560, MPC8555, MPC8548, MPC8641, and etc. | 12 | * also fit for MPC8560, MPC8555, MPC8548, MPC8641, and etc. |
13 | * The support for MPC8349 DMA contorller is also added. | 13 | * The support for MPC8349 DMA contorller is also added. |
14 | * | 14 | * |
15 | * This driver instructs the DMA controller to issue the PCI Read Multiple | ||
16 | * command for PCI read operations, instead of using the default PCI Read Line | ||
17 | * command. Please be aware that this setting may result in read pre-fetching | ||
18 | * on some platforms. | ||
19 | * | ||
15 | * This is free software; you can redistribute it and/or modify | 20 | * This is free software; you can redistribute it and/or modify |
16 | * it under the terms of the GNU General Public License as published by | 21 | * it under the terms of the GNU General Public License as published by |
17 | * the Free Software Foundation; either version 2 of the License, or | 22 | * the Free Software Foundation; either version 2 of the License, or |
@@ -49,9 +54,10 @@ static void dma_init(struct fsl_dma_chan *fsl_chan) | |||
49 | case FSL_DMA_IP_83XX: | 54 | case FSL_DMA_IP_83XX: |
50 | /* Set the channel to below modes: | 55 | /* Set the channel to below modes: |
51 | * EOTIE - End-of-transfer interrupt enable | 56 | * EOTIE - End-of-transfer interrupt enable |
57 | * PRC_RM - PCI read multiple | ||
52 | */ | 58 | */ |
53 | DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, FSL_DMA_MR_EOTIE, | 59 | DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, FSL_DMA_MR_EOTIE |
54 | 32); | 60 | | FSL_DMA_MR_PRC_RM, 32); |
55 | break; | 61 | break; |
56 | } | 62 | } |
57 | 63 | ||
@@ -136,15 +142,16 @@ static int dma_is_idle(struct fsl_dma_chan *fsl_chan) | |||
136 | 142 | ||
137 | static void dma_start(struct fsl_dma_chan *fsl_chan) | 143 | static void dma_start(struct fsl_dma_chan *fsl_chan) |
138 | { | 144 | { |
139 | u32 mr_set = 0;; | 145 | u32 mr_set = 0; |
140 | 146 | ||
141 | if (fsl_chan->feature & FSL_DMA_CHAN_PAUSE_EXT) { | 147 | if (fsl_chan->feature & FSL_DMA_CHAN_PAUSE_EXT) { |
142 | DMA_OUT(fsl_chan, &fsl_chan->reg_base->bcr, 0, 32); | 148 | DMA_OUT(fsl_chan, &fsl_chan->reg_base->bcr, 0, 32); |
143 | mr_set |= FSL_DMA_MR_EMP_EN; | 149 | mr_set |= FSL_DMA_MR_EMP_EN; |
144 | } else | 150 | } else if ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX) { |
145 | DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, | 151 | DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, |
146 | DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) | 152 | DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) |
147 | & ~FSL_DMA_MR_EMP_EN, 32); | 153 | & ~FSL_DMA_MR_EMP_EN, 32); |
154 | } | ||
148 | 155 | ||
149 | if (fsl_chan->feature & FSL_DMA_CHAN_START_EXT) | 156 | if (fsl_chan->feature & FSL_DMA_CHAN_START_EXT) |
150 | mr_set |= FSL_DMA_MR_EMS_EN; | 157 | mr_set |= FSL_DMA_MR_EMS_EN; |
@@ -871,9 +878,9 @@ static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev, | |||
871 | 878 | ||
872 | switch (new_fsl_chan->feature & FSL_DMA_IP_MASK) { | 879 | switch (new_fsl_chan->feature & FSL_DMA_IP_MASK) { |
873 | case FSL_DMA_IP_85XX: | 880 | case FSL_DMA_IP_85XX: |
874 | new_fsl_chan->toggle_ext_start = fsl_chan_toggle_ext_start; | ||
875 | new_fsl_chan->toggle_ext_pause = fsl_chan_toggle_ext_pause; | 881 | new_fsl_chan->toggle_ext_pause = fsl_chan_toggle_ext_pause; |
876 | case FSL_DMA_IP_83XX: | 882 | case FSL_DMA_IP_83XX: |
883 | new_fsl_chan->toggle_ext_start = fsl_chan_toggle_ext_start; | ||
877 | new_fsl_chan->set_src_loop_size = fsl_chan_set_src_loop_size; | 884 | new_fsl_chan->set_src_loop_size = fsl_chan_set_src_loop_size; |
878 | new_fsl_chan->set_dest_loop_size = fsl_chan_set_dest_loop_size; | 885 | new_fsl_chan->set_dest_loop_size = fsl_chan_set_dest_loop_size; |
879 | } | 886 | } |