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mmc: initialize struct mmc_data at declaration time 

Converts from:
	struct mmc_data data;
	memset(&data, 0, sizeof(struct mmc_data));

to:
	struct mmc_data data = {0};

because it's shorter, as performant, and easier to work out whether
initialization has happened.

Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Chris Ball 2011-04-13 23:46:05 -04:00
parent 1278dba167
commit a61ad2b49b
5 changed files with 10 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/mmc/card/block.c
View File

@ -261,7 +261,7 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_data data; struct mmc_data data = {0};
unsigned int timeout_us; unsigned int timeout_us;
struct scatterlist sg; struct scatterlist sg;
@ -282,8 +282,6 @@ static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
cmd.arg = 0; cmd.arg = 0;
cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_ADTC; cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_ADTC;
memset(&data, 0, sizeof(struct mmc_data));
data.timeout_ns = card->csd.tacc_ns * 100; data.timeout_ns = card->csd.tacc_ns * 100;
data.timeout_clks = card->csd.tacc_clks * 100; data.timeout_clks = card->csd.tacc_clks * 100;

9
drivers/mmc/card/mmc_test.c
View File

@ -249,12 +249,11 @@ static int mmc_test_buffer_transfer(struct mmc_test_card *test,
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_command stop = {0}; struct mmc_command stop = {0};
struct mmc_data data; struct mmc_data data = {0};
struct scatterlist sg; struct scatterlist sg;
memset(&mrq, 0, sizeof(struct mmc_request)); memset(&mrq, 0, sizeof(struct mmc_request));
memset(&data, 0, sizeof(struct mmc_data));
mrq.cmd = &cmd; mrq.cmd = &cmd;
mrq.data = &data; mrq.data = &data;
@ -732,10 +731,9 @@ static int mmc_test_simple_transfer(struct mmc_test_card *test,
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_command stop = {0}; struct mmc_command stop = {0};
struct mmc_data data; struct mmc_data data = {0};
memset(&mrq, 0, sizeof(struct mmc_request)); memset(&mrq, 0, sizeof(struct mmc_request));
memset(&data, 0, sizeof(struct mmc_data));
mrq.cmd = &cmd; mrq.cmd = &cmd;
mrq.data = &data; mrq.data = &data;
@ -760,12 +758,11 @@ static int mmc_test_broken_transfer(struct mmc_test_card *test,
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_command stop = {0}; struct mmc_command stop = {0};
struct mmc_data data; struct mmc_data data = {0};
struct scatterlist sg; struct scatterlist sg;
memset(&mrq, 0, sizeof(struct mmc_request)); memset(&mrq, 0, sizeof(struct mmc_request));
memset(&data, 0, sizeof(struct mmc_data));
mrq.cmd = &cmd; mrq.cmd = &cmd;
mrq.data = &data; mrq.data = &data;

6
drivers/mmc/core/mmc_ops.c
View File

@ -235,7 +235,7 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
{ {
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_data data; struct mmc_data data = {0};
struct scatterlist sg; struct scatterlist sg;
void *data_buf; void *data_buf;
@ -247,7 +247,6 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
return -ENOMEM; return -ENOMEM;
memset(&mrq, 0, sizeof(struct mmc_request)); memset(&mrq, 0, sizeof(struct mmc_request));
memset(&data, 0, sizeof(struct mmc_data));
mrq.cmd = &cmd; mrq.cmd = &cmd;
mrq.data = &data; mrq.data = &data;
@ -459,7 +458,7 @@ mmc_send_bus_test(struct mmc_card *card, struct mmc_host *host, u8 opcode,
{ {
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_data data; struct mmc_data data = {0};
struct scatterlist sg; struct scatterlist sg;
u8 *data_buf; u8 *data_buf;
u8 *test_buf; u8 *test_buf;
@ -489,7 +488,6 @@ mmc_send_bus_test(struct mmc_card *card, struct mmc_host *host, u8 opcode,
memcpy(data_buf, test_buf, len); memcpy(data_buf, test_buf, len);
memset(&mrq, 0, sizeof(struct mmc_request)); memset(&mrq, 0, sizeof(struct mmc_request));
memset(&data, 0, sizeof(struct mmc_data));
mrq.cmd = &cmd; mrq.cmd = &cmd;
mrq.data = &data; mrq.data = &data;

9
drivers/mmc/core/sd_ops.c
View File

@ -245,7 +245,7 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
int err; int err;
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_data data; struct mmc_data data = {0};
struct scatterlist sg; struct scatterlist sg;
void *data_buf; void *data_buf;
@ -267,7 +267,6 @@ int mmc_app_send_scr(struct mmc_card *card, u32 *scr)
return -ENOMEM; return -ENOMEM;
memset(&mrq, 0, sizeof(struct mmc_request)); memset(&mrq, 0, sizeof(struct mmc_request));
memset(&data, 0, sizeof(struct mmc_data));
mrq.cmd = &cmd; mrq.cmd = &cmd;
mrq.data = &data; mrq.data = &data;
@ -307,7 +306,7 @@ int mmc_sd_switch(struct mmc_card *card, int mode, int group,
{ {
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_data data; struct mmc_data data = {0};
struct scatterlist sg; struct scatterlist sg;
BUG_ON(!card); BUG_ON(!card);
@ -319,7 +318,6 @@ int mmc_sd_switch(struct mmc_card *card, int mode, int group,
value &= 0xF; value &= 0xF;
memset(&mrq, 0, sizeof(struct mmc_request)); memset(&mrq, 0, sizeof(struct mmc_request));
memset(&data, 0, sizeof(struct mmc_data));
mrq.cmd = &cmd; mrq.cmd = &cmd;
mrq.data = &data; mrq.data = &data;
@ -355,7 +353,7 @@ int mmc_app_sd_status(struct mmc_card *card, void *ssr)
int err; int err;
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_data data; struct mmc_data data = {0};
struct scatterlist sg; struct scatterlist sg;
BUG_ON(!card); BUG_ON(!card);
@ -369,7 +367,6 @@ int mmc_app_sd_status(struct mmc_card *card, void *ssr)
return err; return err;
memset(&mrq, 0, sizeof(struct mmc_request)); memset(&mrq, 0, sizeof(struct mmc_request));
memset(&data, 0, sizeof(struct mmc_data));
mrq.cmd = &cmd; mrq.cmd = &cmd;
mrq.data = &data; mrq.data = &data;

3
drivers/mmc/core/sdio_ops.c
View File

@ -123,7 +123,7 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
{ {
struct mmc_request mrq; struct mmc_request mrq;
struct mmc_command cmd = {0}; struct mmc_command cmd = {0};
struct mmc_data data; struct mmc_data data = {0};
struct scatterlist sg; struct scatterlist sg;
BUG_ON(!card); BUG_ON(!card);
@ -137,7 +137,6 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
return -EINVAL; return -EINVAL;
memset(&mrq, 0, sizeof(struct mmc_request)); memset(&mrq, 0, sizeof(struct mmc_request));
memset(&data, 0, sizeof(struct mmc_data));
mrq.cmd = &cmd; mrq.cmd = &cmd;
mrq.data = &data; mrq.data = &data;