diff options
Diffstat (limited to 'drivers/mmc/core/sdio_ops.c')
| -rw-r--r-- | drivers/mmc/core/sdio_ops.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c index 90fe5545c677..abaaba38514f 100644 --- a/drivers/mmc/core/sdio_ops.c +++ b/drivers/mmc/core/sdio_ops.c @@ -21,7 +21,7 @@ int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr) { - struct mmc_command cmd = {0}; + struct mmc_command cmd = {}; int i, err = 0; cmd.opcode = SD_IO_SEND_OP_COND; @@ -66,7 +66,7 @@ int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr) static int mmc_io_rw_direct_host(struct mmc_host *host, int write, unsigned fn, unsigned addr, u8 in, u8 *out) { - struct mmc_command cmd = {0}; + struct mmc_command cmd = {}; int err; if (fn > 7) @@ -118,9 +118,9 @@ int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn, int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn, unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz) { - struct mmc_request mrq = {NULL}; - struct mmc_command cmd = {0}; - struct mmc_data data = {0}; + struct mmc_request mrq = {}; + struct mmc_command cmd = {}; + struct mmc_data data = {}; struct scatterlist sg, *sg_ptr; struct sg_table sgtable; unsigned int nents, left_size, i; @@ -152,7 +152,7 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn, data.flags = write ? MMC_DATA_WRITE : MMC_DATA_READ; left_size = data.blksz * data.blocks; - nents = (left_size - 1) / seg_size + 1; + nents = DIV_ROUND_UP(left_size, seg_size); if (nents > 1) { if (sg_alloc_table(&sgtable, nents, GFP_KERNEL)) return -ENOMEM; @@ -161,10 +161,9 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn, data.sg_len = nents; for_each_sg(data.sg, sg_ptr, data.sg_len, i) { - sg_set_page(sg_ptr, virt_to_page(buf + (i * seg_size)), - min(seg_size, left_size), - offset_in_page(buf + (i * seg_size))); - left_size = left_size - seg_size; + sg_set_buf(sg_ptr, buf + i * seg_size, + min(seg_size, left_size)); + left_size -= seg_size; } } else { data.sg = &sg; |