Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] 4634/1: DaVinci GPIO header build fix
  [ARM] 4636/1: pxa: add default configuration for zylonite
  [ARM] 4635/1: pxa: Change Eric Miao's email address to eric.miao@marvell.com
  [ARM] Fix assignment instead of condition in arm/mach-omap2/clock.c
  [ARM] nommu: fix breakage caused by f9720205d1f847cb59e197e851b5276425363f6b
  [ARM] pxa: shut up CLOCK_EVT_MODE_RESUME warning
  [ARM] Fix FIQ issue with ARM926
  [ARM] Fix pxamci regression
  [ARM] Fix netx_defconfig regression
  [ARM] Fix ateb9200_defconfig build regression
  [ARM] Fix an rpc_defconfig regression
  [ARM] Fix omap_h2_1610_defconfig regressions
  [ARM] 4632/1: Fix a typo in include/asm-arm/plat-s3c/regs-nand.h

2 files changed, 11 insertions, 8 deletions

diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index a25ee71998a..1654a333034 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -39,6 +39,7 @@
 #define DRIVER_NAME	"pxa2xx-mci"
 
 #define NR_SG	1
+#define CLKRT_OFF	(~0)
 
 struct pxamci_host {
 	struct mmc_host		*mmc;
@@ -371,6 +372,9 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		unsigned long rate = host->clkrate;
 		unsigned int clk = rate / ios->clock;
 
+		if (host->clkrt == CLKRT_OFF)
+			clk_enable(host->clk);
+
 		/*
 		 * clk might result in a lower divisor than we
 		 * desire.  check for that condition and adjust
@@ -379,14 +383,16 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		if (rate / clk > ios->clock)
 			clk <<= 1;
 		host->clkrt = fls(clk) - 1;
-		clk_enable(host->clk);
 
 		/*
 		 * we write clkrt on the next command
 		 */
 	} else {
 		pxamci_stop_clock(host);
-		clk_disable(host->clk);
+		if (host->clkrt != CLKRT_OFF) {
+			host->clkrt = CLKRT_OFF;
+			clk_disable(host->clk);
+		}
 	}
 
 	if (host->power_mode != ios->power_mode) {
@@ -498,6 +504,7 @@ static int pxamci_probe(struct platform_device *pdev)
 	host->mmc = mmc;
 	host->dma = -1;
 	host->pdata = pdev->dev.platform_data;
+	host->clkrt = CLKRT_OFF;
 
 	host->clk = clk_get(&pdev->dev, "MMCCLK");
 	if (IS_ERR(host->clk)) {
diff --git a/drivers/scsi/arm/scsi.h b/drivers/scsi/arm/scsi.h
index 21ba57155be..bb6550e3192 100644
--- a/drivers/scsi/arm/scsi.h
+++ b/drivers/scsi/arm/scsi.h
@@ -38,9 +38,7 @@ static inline int next_SCp(struct scsi_pointer *SCp)
 	if (ret) {
 		SCp->buffer++;
 		SCp->buffers_residual--;
-		SCp->ptr = (char *)
-			 (page_address(SCp->buffer->page) +
-			  SCp->buffer->offset);
+		SCp->ptr = sg_virt(SCp->buffer);
 		SCp->this_residual = SCp->buffer->length;
 	} else {
 		SCp->ptr = NULL;
@@ -76,9 +74,7 @@ static inline void init_SCp(struct scsi_cmnd *SCpnt)
 
 		SCpnt->SCp.buffer = (struct scatterlist *) SCpnt->request_buffer;
 		SCpnt->SCp.buffers_residual = SCpnt->use_sg - 1;
-		SCpnt->SCp.ptr = (char *)
-			 (page_address(SCpnt->SCp.buffer->page) +
-			  SCpnt->SCp.buffer->offset);
+		SCpnt->SCp.ptr = sg_virt(SCpnt->SCp.buffer);
 		SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
 		SCpnt->SCp.phase = SCpnt->request_bufflen;