From 46db0ba12be6cfd043df1d09b5831cb84ce2307f Mon Sep 17 00:00:00 2001 From: Qiang Yu Date: Mon, 10 Oct 2022 12:32:04 +0800 Subject: bus: mhi: host: Use mhi_soc_reset() API in place of register write Currently, a direct register write is used when ramdump collection in panic path occurs. Replace that with new mhi_soc_reset() API such that a controller defined reset() function is exercised if one is present and the regular SOC reset is done if it is not. Signed-off-by: Qiang Yu Reviewed-by: Loic Poulain Reviewed-by: Jeffrey Hugo Reviewed-by: Manivannan Sadhasivam Link: https://lore.kernel.org/r/1665376324-34258-1-git-send-email-quic_qianyu@quicinc.com Signed-off-by: Manivannan Sadhasivam --- drivers/bus/mhi/host/boot.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/bus') diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c index 26d0eddb1477..1c69feee1703 100644 --- a/drivers/bus/mhi/host/boot.c +++ b/drivers/bus/mhi/host/boot.c @@ -118,9 +118,7 @@ static int __mhi_download_rddm_in_panic(struct mhi_controller *mhi_cntrl) /* Hardware reset so force device to enter RDDM */ dev_dbg(dev, "Did not enter RDDM, do a host req reset\n"); - mhi_write_reg(mhi_cntrl, mhi_cntrl->regs, - MHI_SOC_RESET_REQ_OFFSET, - MHI_SOC_RESET_REQ); + mhi_soc_reset(mhi_cntrl); udelay(delayus); } -- cgit v1.2.3