#include <linux/delay.h>
#include <linux/err.h>
#include <linux/highmem.h>
+#include <linux/log2.h>
#include <linux/mmc/host.h>
#include <linux/amba/bus.h>
#include <linux/clk.h>
+#include <linux/scatterlist.h>
#include <asm/cacheflush.h>
#include <asm/div64.h>
#include <asm/io.h>
-#include <asm/scatterlist.h>
#include <asm/sizes.h>
#include <asm/mach/mmc.h>
* partially written to a page is properly coherent.
*/
if (host->sg_len && data->flags & MMC_DATA_READ)
- flush_dcache_page(host->sg_ptr->page);
+ flush_dcache_page(sg_page(host->sg_ptr));
}
if (status & MCI_DATAEND) {
mmci_stop_data(host);
void __iomem *base = host->base;
char *ptr = buffer;
u32 status;
+ int host_remain = host->size;
do {
- int count = host->size - (readl(base + MMCIFIFOCNT) << 2);
+ int count = host_remain - (readl(base + MMCIFIFOCNT) << 2);
if (count > remain)
count = remain;
ptr += count;
remain -= count;
+ host_remain -= count;
if (remain == 0)
break;
* page, ensure that the data cache is coherent.
*/
if (status & MCI_RXACTIVE)
- flush_dcache_page(host->sg_ptr->page);
+ flush_dcache_page(sg_page(host->sg_ptr));
if (!mmci_next_sg(host))
break;
WARN_ON(host->mrq != NULL);
- if (mrq->data && (hweight32(mrq->data->blksz) > 1)) {
+ if (mrq->data && !is_power_of_2(mrq->data->blksz)) {
printk(KERN_ERR "%s: Unsupported block size (%d bytes)\n",
mmc_hostname(mmc), mrq->data->blksz);
mrq->cmd->error = -EINVAL;