On Fri, 2023-06-09 at 12:12 +0300, Adrian Hunter wrote:
>
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> 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.
>
If so, I will submit a new version of that.
And I wait for Ulf's reply, thanks
Begards,
Wenbin
> >
> > 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:
>
