These condition checking are wrong.
Original Author's intention might be "&" instead of "&&".
It can know whether receive or transmit data request with
BIT[4]/BIT[5] of RINTSTS register.
Signed-off-by: Jaehoon Chung <jh80.ch...@samsung.com>
---
drivers/mmc/dw_mmc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index 7329f40..b04b176 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -121,7 +121,7 @@ static int dwmci_data_transfer(struct dwmci_host *host,
struct mmc_data *data)
if (host->fifo_mode && size) {
if (data->flags == MMC_DATA_READ) {
- if ((dwmci_readl(host, DWMCI_RINTSTS) &&
+ if ((dwmci_readl(host, DWMCI_RINTSTS) &
DWMCI_INTMSK_RXDR)) {
len = dwmci_readl(host, DWMCI_STATUS);
len = (len >> DWMCI_FIFO_SHIFT) &
@@ -133,7 +133,7 @@ static int dwmci_data_transfer(struct dwmci_host *host,
struct mmc_data *data)
DWMCI_INTMSK_RXDR);
}
} else {
- if ((dwmci_readl(host, DWMCI_RINTSTS) &&
+ if ((dwmci_readl(host, DWMCI_RINTSTS) &
DWMCI_INTMSK_TXDR)) {
len = dwmci_readl(host, DWMCI_STATUS);
len = fifo_depth - ((len >>
--
1.9.1
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