diff options
| author | Sam Protsenko <semen.protsenko@linaro.org> | 2024-08-07 22:14:10 -0500 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2024-08-19 16:09:06 +0900 |
| commit | 1db6dd1feffa0cd3c64b87489f4773ac9f2bfcbf (patch) | |
| tree | 00764dad946852e35f97573a98035f2e51400997 | |
| parent | 2015f24f78c4b21ab9fbd83ee1954eff13fa1dea (diff) | |
mmc: dw_mmc: Extract FIFO init into a separate routine
Move FIFO threshold initialization into a separate function to make
dwmci_init() more readable.
No functional change.
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| -rw-r--r-- | drivers/mmc/dw_mmc.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 395b699b0a0..4a9e57165fb 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -538,6 +538,20 @@ static int dwmci_set_ios(struct mmc *mmc) return 0; } +static void dwmci_init_fifo(struct dwmci_host *host) +{ + if (!host->fifoth_val) { + u32 fifo_size; + + fifo_size = dwmci_readl(host, DWMCI_FIFOTH); + fifo_size = ((fifo_size & RX_WMARK_MASK) >> RX_WMARK_SHIFT) + 1; + host->fifoth_val = MSIZE(0x2) | RX_WMARK(fifo_size / 2 - 1) | + TX_WMARK(fifo_size / 2); + } + + dwmci_writel(host, DWMCI_FIFOTH, host->fifoth_val); +} + static int dwmci_init(struct mmc *mmc) { struct dwmci_host *host = mmc->priv; @@ -562,16 +576,7 @@ static int dwmci_init(struct mmc *mmc) dwmci_writel(host, DWMCI_IDINTEN, 0); dwmci_writel(host, DWMCI_BMOD, 1); - - if (!host->fifoth_val) { - uint32_t fifo_size; - - fifo_size = dwmci_readl(host, DWMCI_FIFOTH); - fifo_size = ((fifo_size & RX_WMARK_MASK) >> RX_WMARK_SHIFT) + 1; - host->fifoth_val = MSIZE(0x2) | RX_WMARK(fifo_size / 2 - 1) | - TX_WMARK(fifo_size / 2); - } - dwmci_writel(host, DWMCI_FIFOTH, host->fifoth_val); + dwmci_init_fifo(host); dwmci_writel(host, DWMCI_CLKENA, 0); dwmci_writel(host, DWMCI_CLKSRC, 0); |