[PATCH 2/4] mmc: mmci: increase stm32 sdmmcv2 clock max freq
From: Yann Gautier <hidden>
Date: 2021-12-15 14:18:36
Also in:
linux-mmc, lkml
Subsystem:
arm primecell mmci pl180/1 driver, multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Russell King, Ulf Hansson, Linus Torvalds
The variant->f_max is dependent on the IP, not on the SoC where it is embedded. Set the max frequency of its source clock to 267MHz. The frequency used will be limited by the IOs max frequency, set in the SoC device tree. Signed-off-by: Yann Gautier <redacted> --- drivers/mmc/host/mmci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index c0478dfa61b9..45b8608c935c 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c@@ -280,7 +280,7 @@ static struct variant_data variant_stm32_sdmmc = { static struct variant_data variant_stm32_sdmmcv2 = { .fifosize = 16 * 4, .fifohalfsize = 8 * 4, - .f_max = 208000000, + .f_max = 267000000, .stm32_clkdiv = true, .cmdreg_cpsm_enable = MCI_CPSM_STM32_ENABLE, .cmdreg_lrsp_crc = MCI_CPSM_STM32_LRSP_CRC,
--
2.17.1
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