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path: root/drivers/mmc/host/s3cmci.c
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Diffstat (limited to 'drivers/mmc/host/s3cmci.c')
-rw-r--r--drivers/mmc/host/s3cmci.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index bb412331e3d7..5211d90d34ef 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -238,6 +238,7 @@ static void do_pio_read(struct s3cmci_host *host)
238{ 238{
239 int res; 239 int res;
240 u32 fifo; 240 u32 fifo;
241 u32 *ptr;
241 u32 fifo_words; 242 u32 fifo_words;
242 void __iomem *from_ptr; 243 void __iomem *from_ptr;
243 244
@@ -283,8 +284,10 @@ static void do_pio_read(struct s3cmci_host *host)
283 host->pio_count += fifo; 284 host->pio_count += fifo;
284 285
285 fifo_words = fifo >> 2; 286 fifo_words = fifo >> 2;
287 ptr = host->pio_ptr;
286 while (fifo_words--) 288 while (fifo_words--)
287 *(host->pio_ptr++) = readl(from_ptr); 289 *ptr++ = readl(from_ptr);
290 host->pio_ptr = ptr;
288 291
289 if (fifo & 3) { 292 if (fifo & 3) {
290 u32 n = fifo & 3; 293 u32 n = fifo & 3;
@@ -319,6 +322,7 @@ static void do_pio_write(struct s3cmci_host *host)
319 void __iomem *to_ptr; 322 void __iomem *to_ptr;
320 int res; 323 int res;
321 u32 fifo; 324 u32 fifo;
325 u32 *ptr;
322 326
323 to_ptr = host->base + host->sdidata; 327 to_ptr = host->base + host->sdidata;
324 328
@@ -353,8 +357,10 @@ static void do_pio_write(struct s3cmci_host *host)
353 host->pio_count += fifo; 357 host->pio_count += fifo;
354 358
355 fifo = (fifo + 3) >> 2; 359 fifo = (fifo + 3) >> 2;
360 ptr = host->pio_ptr;
356 while (fifo--) 361 while (fifo--)
357 writel(*(host->pio_ptr++), to_ptr); 362 writel(*ptr++, to_ptr);
363 host->pio_ptr = ptr;
358 } 364 }
359 365
360 enable_imask(host, S3C2410_SDIIMSK_TXFIFOHALF); 366 enable_imask(host, S3C2410_SDIIMSK_TXFIFOHALF);