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path: root/drivers/mmc/host/litex_mmc.c
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2023-06-19mmc: litex_mmc: set PROBE_PREFER_ASYNCHRONOUSJisheng Zhang
mmc host drivers should have enabled the asynchronous probe option, but it seems like we didn't set it for litex_mmc when introducing litex mmc support, so let's set it now. Tested with linux-on-litex-vexriscv on sipeed tang nano 20K fpga. Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Acked-by: Gabriel Somlo <gsomlo@gmail.com> Fixes: 92e099104729 ("mmc: Add driver for LiteX's LiteSDCard interface") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20230617085319.2139-1-jszhang@kernel.org Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-12-07mmc: litex_mmc: ensure `host->irq == 0` if pollingGabriel Somlo
Ensure the flag is explicitly set to 0 if we determine that polling is needed during driver probe, to cover all possible cases. Fixes: 92e099104729 ("mmc: Add driver for LiteX's LiteSDCard interface") Signed-off-by: Gabriel Somlo <gsomlo@gmail.com> Link: https://lore.kernel.org/r/20221107155516.2535912-1-gsomlo@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2022-02-28mmc: Add driver for LiteX's LiteSDCard interfaceGabriel Somlo
LiteX (https://github.com/enjoy-digital/litex) is a SoC framework that targets FPGAs. LiteSDCard is a small footprint, configurable SDCard core commonly used in LiteX designs. The driver was first written in May 2020 and has been maintained cooperatively by the LiteX community. Thanks to all contributors! Co-developed-by: Kamil Rakoczy <krakoczy@antmicro.com> Signed-off-by: Kamil Rakoczy <krakoczy@antmicro.com> Co-developed-by: Maciej Dudek <mdudek@internships.antmicro.com> Signed-off-by: Maciej Dudek <mdudek@internships.antmicro.com> Co-developed-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Paul Mackerras <paulus@ozlabs.org> Signed-off-by: Gabriel Somlo <gsomlo@gmail.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20220113170300.3555651-4-gsomlo@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>