mxcmmc: fix warnings due to access 32 bit registers with 16 bit accessors
Some registers of the mxcmmc driver were accessed using
16 bit accessor functions, because only the LSB is
significant. This is not needed and generates
warnings.
Signed-off-by: Stefano Babic <sbabic@denx.de>
diff --git a/drivers/mmc/mxcmmc.c b/drivers/mmc/mxcmmc.c
index d307176..5963953 100644
--- a/drivers/mmc/mxcmmc.c
+++ b/drivers/mmc/mxcmmc.c
@@ -136,14 +136,14 @@
int i;
/* reset sequence */
- writew(STR_STP_CLK_RESET, &host->base->str_stp_clk);
- writew(STR_STP_CLK_RESET | STR_STP_CLK_START_CLK,
+ writel(STR_STP_CLK_RESET, &host->base->str_stp_clk);
+ writel(STR_STP_CLK_RESET | STR_STP_CLK_START_CLK,
&host->base->str_stp_clk);
for (i = 0; i < 8; i++)
- writew(STR_STP_CLK_START_CLK, &host->base->str_stp_clk);
+ writel(STR_STP_CLK_START_CLK, &host->base->str_stp_clk);
- writew(0xff, &host->base->res_to);
+ writel(0xff, &host->base->res_to);
}
static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
@@ -154,8 +154,8 @@
host->data = data;
- writew(nob, &host->base->nob);
- writew(blksz, &host->base->blk_len);
+ writel(nob, &host->base->nob);
+ writel(blksz, &host->base->blk_len);
host->datasize = datasize;
}
@@ -185,9 +185,9 @@
return -EINVAL;
}
- writew(cmd->cmdidx, &host->base->cmd);
+ writel(cmd->cmdidx, &host->base->cmd);
writel(cmd->cmdarg, &host->base->arg);
- writew(cmdat, &host->base->cmd_dat_cont);
+ writel(cmdat, &host->base->cmd_dat_cont);
return 0;
}
@@ -247,14 +247,14 @@
if (cmd->resp_type & MMC_RSP_PRESENT) {
if (cmd->resp_type & MMC_RSP_136) {
for (i = 0; i < 4; i++) {
- a = readw(&host->base->res_fifo);
- b = readw(&host->base->res_fifo);
+ a = readl(&host->base->res_fifo) & 0xFFFF;
+ b = readl(&host->base->res_fifo) & 0xFFFF;
resp[i] = a << 16 | b;
}
} else {
- a = readw(&host->base->res_fifo);
- b = readw(&host->base->res_fifo);
- c = readw(&host->base->res_fifo);
+ a = readl(&host->base->res_fifo) & 0xFFFF;
+ b = readl(&host->base->res_fifo) & 0xFFFF;
+ c = readl(&host->base->res_fifo) & 0xFFFF;
resp[0] = a << 24 | b << 8 | c >> 8;
}
}
@@ -445,7 +445,7 @@
prescaler <<= 1;
}
- writew((prescaler << 4) | divider, &host->base->clk_rate);
+ writel((prescaler << 4) | divider, &host->base->clk_rate);
}
static void mxcmci_set_ios(struct mmc *mmc)
@@ -458,9 +458,9 @@
if (mmc->clock) {
mxcmci_set_clk_rate(host, mmc->clock);
- writew(STR_STP_CLK_START_CLK, &host->base->str_stp_clk);
+ writel(STR_STP_CLK_START_CLK, &host->base->str_stp_clk);
} else {
- writew(STR_STP_CLK_STOP_CLK, &host->base->str_stp_clk);
+ writel(STR_STP_CLK_STOP_CLK, &host->base->str_stp_clk);
}
host->clock = mmc->clock;
@@ -472,7 +472,7 @@
mxcmci_softreset(host);
- host->rev_no = readw(&host->base->rev_no);
+ host->rev_no = readl(&host->base->rev_no);
if (host->rev_no != 0x400) {
printf("wrong rev.no. 0x%08x. aborting.\n",
host->rev_no);
@@ -480,7 +480,7 @@
}
/* recommended in data sheet */
- writew(0x2db4, &host->base->read_to);
+ writel(0x2db4, &host->base->read_to);
writel(0, &host->base->int_cntr);