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 --- Changes in v3: - (none)
Changes in v2: - Added R-b tag from Quentin
drivers/mmc/dw_mmc.c | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index a82f6a96db39..cbfb8d3b8683 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -540,6 +540,20 @@ 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; @@ -564,16 +578,7 @@ 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);