Re: 回复: 回复: 回复: backport a patch for Linux kernel-5.15 kernel-6.1 kenrel-6.6 stable tree

On Fri, May 24, 2024 at 01:07:18AM +0000, Lin Gui (桂林) wrote:

Dear @Greg KHmailto:gregkh@linuxfoundation.org,

Base : kernel-5.15.159

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index a569066..d656964 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1800,7 +1800,13 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, if (err) goto free_card;

•  } else if (!mmc_card_hs400es(card)) {
  

• } else if (mmc_card_hs400es(card)){
  

•        if (host->ops->execute_hs400_tuning) {
  

•               err = host->ops->execute_hs400_tuning(host, card);
  

•               if (err)
  

•               goto free_card;
  

•        }
  

• } else {
          /* Select the desired bus width optionally */
          err = mmc_select_bus_width(card);
          if (err > 0 && mmc_card_hs(card)) {
  
  

Also, please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.