On 9/06/23 10:48, Wenbin Mei wrote:
> The following error appeared due to the patch:
> 364dae3e80a4 "mmc: mtk-sd: reduce CIT for better performance"
>
> drivers/mmc/host/mtk-sd.c: In function 'msdc_cqe_cit_cal':
> drivers/mmc/host/cqhci.h:27:41: error: implicit declaration of function 'FIELD_GET' [-Werror=implicit-function-declaration]
>
> drivers/mmc/host/mtk-sd.c:2471:3: error: incompatible pointer types passing 'unsigned long *' to parameter of type 'uint64_t *' (aka 'unsigned long long *') [-Werror,-Wincompatible-pointer-types]
> 2471 | do_div(hclk_freq, 1000);
> | ^~~~~~~~~~~~~~~~~~~~~~~
> include/asm-generic/div64.h:238:22: note: expanded from macro 'do_div'
> 238 | __rem = __div64_32(&(n), __base); \
> include/asm-generic/div64.h:213:38: note: passing argument to parameter 'dividend' here
> 213 | extern uint32_t __div64_32(uint64_t *dividend, uint32_t divisor);
> ...
>
> This patch corrects the issue.
It doesn't look like Ulf has done a pull request for the original
patch, so it might be better to submit a new version of that.
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Wenbin Mei <wenbin.mei@xxxxxxxxxxxx>
> Fixes: 364dae3e80a4 ("mmc: mtk-sd: reduce CIT for better performance")
> ---
> drivers/mmc/host/cqhci.h | 1 +
> drivers/mmc/host/mtk-sd.c | 5 ++---
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/cqhci.h b/drivers/mmc/host/cqhci.h
> index e35c655edefc..1a12e40a02e6 100644
> --- a/drivers/mmc/host/cqhci.h
> +++ b/drivers/mmc/host/cqhci.h
> @@ -5,6 +5,7 @@
> #define LINUX_MMC_CQHCI_H
>
> #include <linux/compiler.h>
> +#include <linux/bitfield.h>
> #include <linux/bitops.h>
> #include <linux/spinlock_types.h>
> #include <linux/types.h>
> diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
> index b582f19f82f2..99317fd9f084 100644
> --- a/drivers/mmc/host/mtk-sd.c
> +++ b/drivers/mmc/host/mtk-sd.c
> @@ -2456,15 +2456,14 @@ static void msdc_cqe_cit_cal(struct msdc_host *host, u64 timer_ns)
> struct mmc_host *mmc = mmc_from_priv(host);
> struct cqhci_host *cq_host = mmc->cqe_private;
> u8 itcfmul;
> - unsigned long hclk_freq;
> - u64 value;
> + u64 hclk_freq, value;
>
> /*
> * On MediaTek SoCs the MSDC controller's CQE uses msdc_hclk as ITCFVAL
> * so we multiply/divide the HCLK frequency by ITCFMUL to calculate the
> * Send Status Command Idle Timer (CIT) value.
> */
> - hclk_freq = clk_get_rate(host->h_clk);
> + hclk_freq = (u64)clk_get_rate(host->h_clk);
> itcfmul = CQHCI_ITCFMUL(cqhci_readl(cq_host, CQHCI_CAP));
> switch (itcfmul) {
> case 0x0:
