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authorLinus Torvalds <torvalds@g5.osdl.org>2006-07-02 18:04:12 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-02 18:04:12 -0400
commita8c4c20dfa8b28a3c99e33c639d9c2ea5657741e (patch)
tree887b64d29b5a46d9ab2ca1267d8a2f05b5845561 /drivers/mmc/omap.c
parent168d04b3b4de7723eb73b3cffc9cb75224e0f393 (diff)
parent2dc7667b9d0674db6572723356fe3857031101a4 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (44 commits) [ARM] 3541/2: workaround for PXA27x erratum E7 [ARM] nommu: provide a way for correct control register value selection [ARM] 3705/1: add supersection support to ioremap() [ARM] 3707/1: iwmmxt: use the generic thread notifier infrastructure [ARM] 3706/2: ep93xx: add cirrus logic edb9315a support [ARM] 3704/1: format IOP Kconfig with tabs, create more consistency [ARM] 3703/1: Add help description for ARCH_EP80219 [ARM] 3678/1: MMC: Make OMAP MMC work [ARM] 3677/1: OMAP: Update H2 defconfig [ARM] 3676/1: ARM: OMAP: Fix dmtimers and timer32k to compile on OMAP1 [ARM] Add section support to ioremap [ARM] Fix sa11x0 SDRAM selection [ARM] Set bit 4 on section mappings correctly depending on CPU [ARM] 3666/1: TRIZEPS4 [1/5] core ARM: OMAP: Multiplexing for 24xx GPMC wait pin monitoring ARM: OMAP: Fix SRAM to use MT_MEMORY instead of MT_DEVICE ARM: OMAP: Update dmtimers ARM: OMAP: Make clock variables static ARM: OMAP: Fix GPMC compilation when DEBUG is defined ARM: OMAP: Mux updates for external DMA and GPIO ...
Diffstat (limited to 'drivers/mmc/omap.c')
-rw-r--r--drivers/mmc/omap.c43
1 files changed, 20 insertions, 23 deletions
diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c
index e0e14b3423c6..ddf06b32c159 100644
--- a/drivers/mmc/omap.c
+++ b/drivers/mmc/omap.c
@@ -60,6 +60,7 @@ struct mmc_omap_host {
60 unsigned char id; /* 16xx chips have 2 MMC blocks */ 60 unsigned char id; /* 16xx chips have 2 MMC blocks */
61 struct clk * iclk; 61 struct clk * iclk;
62 struct clk * fclk; 62 struct clk * fclk;
63 struct resource *res;
63 void __iomem *base; 64 void __iomem *base;
64 int irq; 65 int irq;
65 unsigned char bus_mode; 66 unsigned char bus_mode;
@@ -339,8 +340,6 @@ static void
339mmc_omap_xfer_data(struct mmc_omap_host *host, int write) 340mmc_omap_xfer_data(struct mmc_omap_host *host, int write)
340{ 341{
341 int n; 342 int n;
342 void __iomem *reg;
343 u16 *p;
344 343
345 if (host->buffer_bytes_left == 0) { 344 if (host->buffer_bytes_left == 0) {
346 host->sg_idx++; 345 host->sg_idx++;
@@ -657,12 +656,12 @@ static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data)
657 struct mmc_data *mmcdat = host->data; 656 struct mmc_data *mmcdat = host->data;
658 657
659 if (unlikely(host->dma_ch < 0)) { 658 if (unlikely(host->dma_ch < 0)) {
660 dev_err(mmc_dev(host->mmc), "DMA callback while DMA not 659 dev_err(mmc_dev(host->mmc),
661 enabled\n"); 660 "DMA callback while DMA not enabled\n");
662 return; 661 return;
663 } 662 }
664 /* FIXME: We really should do something to _handle_ the errors */ 663 /* FIXME: We really should do something to _handle_ the errors */
665 if (ch_status & OMAP_DMA_TOUT_IRQ) { 664 if (ch_status & OMAP1_DMA_TOUT_IRQ) {
666 dev_err(mmc_dev(host->mmc),"DMA timeout\n"); 665 dev_err(mmc_dev(host->mmc),"DMA timeout\n");
667 return; 666 return;
668 } 667 }
@@ -972,20 +971,20 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
972 struct omap_mmc_conf *minfo = pdev->dev.platform_data; 971 struct omap_mmc_conf *minfo = pdev->dev.platform_data;
973 struct mmc_host *mmc; 972 struct mmc_host *mmc;
974 struct mmc_omap_host *host = NULL; 973 struct mmc_omap_host *host = NULL;
974 struct resource *r;
975 int ret = 0; 975 int ret = 0;
976 int irq;
976 977
977 if (platform_get_resource(pdev, IORESOURCE_MEM, 0) || 978 r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
978 platform_get_irq(pdev, IORESOURCE_IRQ, 0)) { 979 irq = platform_get_irq(pdev, 0);
979 dev_err(&pdev->dev, "mmc_omap_probe: invalid resource type\n"); 980 if (!r || irq < 0)
980 return -ENODEV; 981 return -ENXIO;
981 }
982 982
983 if (!request_mem_region(pdev->resource[0].start, 983 r = request_mem_region(pdev->resource[0].start,
984 pdev->resource[0].end - pdev->resource[0].start + 1, 984 pdev->resource[0].end - pdev->resource[0].start + 1,
985 pdev->name)) { 985 pdev->name);
986 dev_dbg(&pdev->dev, "request_mem_region failed\n"); 986 if (!r)
987 return -EBUSY; 987 return -EBUSY;
988 }
989 988
990 mmc = mmc_alloc_host(sizeof(struct mmc_omap_host), &pdev->dev); 989 mmc = mmc_alloc_host(sizeof(struct mmc_omap_host), &pdev->dev);
991 if (!mmc) { 990 if (!mmc) {
@@ -1002,6 +1001,8 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
1002 host->dma_timer.data = (unsigned long) host; 1001 host->dma_timer.data = (unsigned long) host;
1003 1002
1004 host->id = pdev->id; 1003 host->id = pdev->id;
1004 host->res = r;
1005 host->irq = irq;
1005 1006
1006 if (cpu_is_omap24xx()) { 1007 if (cpu_is_omap24xx()) {
1007 host->iclk = clk_get(&pdev->dev, "mmc_ick"); 1008 host->iclk = clk_get(&pdev->dev, "mmc_ick");
@@ -1031,13 +1032,9 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
1031 host->dma_ch = -1; 1032 host->dma_ch = -1;
1032 1033
1033 host->irq = pdev->resource[1].start; 1034 host->irq = pdev->resource[1].start;
1034 host->base = ioremap(pdev->res.start, SZ_4K); 1035 host->base = (void __iomem*)IO_ADDRESS(r->start);
1035 if (!host->base) {
1036 ret = -ENOMEM;
1037 goto out;
1038 }
1039 1036
1040 if (minfo->wire4) 1037 if (minfo->wire4)
1041 mmc->caps |= MMC_CAP_4_BIT_DATA; 1038 mmc->caps |= MMC_CAP_4_BIT_DATA;
1042 1039
1043 mmc->ops = &mmc_omap_ops; 1040 mmc->ops = &mmc_omap_ops;
@@ -1056,8 +1053,8 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
1056 1053
1057 if (host->power_pin >= 0) { 1054 if (host->power_pin >= 0) {
1058 if ((ret = omap_request_gpio(host->power_pin)) != 0) { 1055 if ((ret = omap_request_gpio(host->power_pin)) != 0) {
1059 dev_err(mmc_dev(host->mmc), "Unable to get GPIO 1056 dev_err(mmc_dev(host->mmc),
1060 pin for MMC power\n"); 1057 "Unable to get GPIO pin for MMC power\n");
1061 goto out; 1058 goto out;
1062 } 1059 }
1063 omap_set_gpio_direction(host->power_pin, 0); 1060 omap_set_gpio_direction(host->power_pin, 0);
@@ -1099,7 +1096,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
1099 device_remove_file(&pdev->dev, &dev_attr_cover_switch); 1096 device_remove_file(&pdev->dev, &dev_attr_cover_switch);
1100 } 1097 }
1101 if (ret) { 1098 if (ret) {
1102 dev_wan(mmc_dev(host->mmc), "Unable to create sysfs attributes\n"); 1099 dev_warn(mmc_dev(host->mmc), "Unable to create sysfs attributes\n");
1103 free_irq(OMAP_GPIO_IRQ(host->switch_pin), host); 1100 free_irq(OMAP_GPIO_IRQ(host->switch_pin), host);
1104 omap_free_gpio(host->switch_pin); 1101 omap_free_gpio(host->switch_pin);
1105 host->switch_pin = -1; 1102 host->switch_pin = -1;