Move code for bus_width modification, out of the ->set_ios() callback
and into a separate function, to simplify code.
Signed-off-by: Ulf Hansson <ulf.hans...@linaro.org>
---
drivers/mmc/host/tmio_mmc_pio.c | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index d63d292..8f5b5cc 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -831,6 +831,19 @@ static void tmio_mmc_power_off(struct tmio_mmc_host *host)
host->set_pwr(host->pdev, 0);
}
+static void tmio_mmc_set_bus_width(struct tmio_mmc_host *host,
+ unsigned char bus_width)
+{
+ switch (bus_width) {
+ case MMC_BUS_WIDTH_1:
+ sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, 0x80e0);
+ break;
+ case MMC_BUS_WIDTH_4:
+ sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, 0x00e0);
+ break;
+ }
+}
+
/* Set MMC clock / power.
* Note: This controller uses a simple divider scheme therefore it cannot
* run a MMC card at full speed (20MHz). The max clock is 24MHz on SD, but as
@@ -914,16 +927,8 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct
mmc_ios *ios)
}
}
- if (host->power != TMIO_MMC_OFF_STOP) {
- switch (ios->bus_width) {
- case MMC_BUS_WIDTH_1:
- sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, 0x80e0);
- break;
- case MMC_BUS_WIDTH_4:
- sd_ctrl_write16(host, CTL_SD_MEM_CARD_OPT, 0x00e0);
- break;
- }
- }
+ if (host->power != TMIO_MMC_OFF_STOP)
+ tmio_mmc_set_bus_width(host, ios->bus_width);
/* Let things settle. delay taken from winCE driver */
udelay(140);
--
1.9.1
--
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