Re: [PATCH] mmc: mtk-sd: include bitfield header and fix incompatible pointer types

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On Fri, 2023-06-09 at 12:12 +0300, Adrian Hunter wrote:
>  	 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>  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:
> 




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