MMC core:

- Limit retries when analyse of SDIO tuples fails
 
 MMC host:
  - sdhci: Fix linking err for sdhci-brcmstb
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Merge tag 'mmc-v5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:
 "MMC core:
   - Limit retries when analyse of SDIO tuples fails

  MMC host:
   - sdhci: Fix linking err for sdhci-brcmstb"

* tag 'mmc-v5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci-pltfm: Fix linking err for sdhci-brcmstb
  mmc: core: Limit retries when analyse of SDIO tuples fails

drivers/mmc/core/sdio_cis.c

@@ -20,6 +20,8 @@
 #include "sdio_cis.h"
 #include "sdio_ops.h"
 
+#define SDIO_READ_CIS_TIMEOUT_MS  (10 * 1000) /* 10s */
+
 static int cistpl_vers_1(struct mmc_card *card, struct sdio_func *func,
 			 const unsigned char *buf, unsigned size)
 {
@@ -274,6 +276,8 @@ static int sdio_read_cis(struct mmc_card *card, struct sdio_func *func)
 
 	do {
 		unsigned char tpl_code, tpl_link;
+		unsigned long timeout = jiffies +
+			msecs_to_jiffies(SDIO_READ_CIS_TIMEOUT_MS);
 
 		ret = mmc_io_rw_direct(card, 0, 0, ptr++, 0, &tpl_code);
 		if (ret)
@@ -326,6 +330,8 @@ static int sdio_read_cis(struct mmc_card *card, struct sdio_func *func)
 			prev = &this->next;
 
 			if (ret == -ENOENT) {
+				if (time_after(jiffies, timeout))
+					break;
 				/* warn about unknown tuples */
 				pr_warn_ratelimited("%s: queuing unknown"
 				       " CIS tuple 0x%02x (%u bytes)\n",

drivers/mmc/host/sdhci-pltfm.h

@@ -111,8 +111,13 @@ static inline void *sdhci_pltfm_priv(struct sdhci_pltfm_host *host)
 	return host->private;
 }
 
+extern const struct dev_pm_ops sdhci_pltfm_pmops;
+#ifdef CONFIG_PM_SLEEP
 int sdhci_pltfm_suspend(struct device *dev);
 int sdhci_pltfm_resume(struct device *dev);
-extern const struct dev_pm_ops sdhci_pltfm_pmops;
+#else
+static inline int sdhci_pltfm_suspend(struct device *dev) { return 0; }
+static inline int sdhci_pltfm_resume(struct device *dev) { return 0; }
+#endif
 
 #endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */