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ipq806x: qca_mmc: capture the errors during write to fifo

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This patch checks for the errors during the fifo write itself
like in qca_pio_read function. Previously, error was checked
only after the total xfer_size is written to the fifo and
errors during the fifo write operation were ignored.

Change-Id: I2a549b0032bfd774973773cc49b595c75682aac7
Signed-off-by: Balaji Prakash Jagadeesan <bjagadee@codeaurora.org>
This commit is contained in:
Balaji Prakash Jagadeesan 2018-08-29 16:46:42 +05:30
parent 19060d2532
commit bd6ce22a08
1 changed files with 6 additions and 1 deletions
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7
drivers/mmc/qca_mmc.c
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@ -152,6 +152,9 @@ qca_pio_write(qca_mmc *host, const char *buffer,
do {
status = readl(host->base + MMCISTATUS);
if (status & error)
break;
bcnt = remain - count;
if (!bcnt)
@ -175,6 +178,7 @@ qca_pio_write(qca_mmc *host, const char *buffer,
status = readl(host->base + MMCISTATUS);
if (status & error) {
printf("Error: %s, status=0x%x\n", __func__, status);
count = status;
break;
}
@ -210,7 +214,8 @@ qca_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
if (data->flags & MMC_DATA_READ) {
qca_pio_read(host, data->dest, xfer_size);
} else {
qca_pio_write(host, data->src, xfer_size);
if (qca_pio_write(host, data->src, xfer_size) != xfer_size)
status = -1;
}
writel(0, host->base + MMCIDATACTRL);
qca_reg_wr_delay(host);