Merge tag 'arm-soc/for-6.2/drivers' of https://github.com/Broadcom/stblinux into soc/drivers

This pull request contains Broadcom SoCs driver changes for 6.2, please
pull the following:

- Yuan uses dev_err_probe() in the Raspberry Pi firmware provider to
  simplify the error handling code

- Rafal adds support for initialiazing the BCM47xx NVMEM/NVRAM firmware
  provider out of memory-mapped flash devices.

* tag 'arm-soc/for-6.2/drivers' of https://github.com/Broadcom/stblinux:
  firmware/nvram: bcm47xx: support init from IO memory
  firmware: raspberrypi: Use dev_err_probe() to simplify code

Link: https://lore.kernel.org/r/20221129191755.542584-3-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/bcm47xx_nvram.h b/include/linux/bcm47xx_nvram.h
index 53b31f69b74a..7615f8d7b1ed 100644
--- a/include/linux/bcm47xx_nvram.h
+++ b/include/linux/bcm47xx_nvram.h
@@ -11,6 +11,7 @@
 #include <linux/vmalloc.h>
 
 #ifdef CONFIG_BCM47XX_NVRAM
+int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start, size_t res_size);
 int bcm47xx_nvram_init_from_mem(u32 base, u32 lim);
 int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
 int bcm47xx_nvram_gpio_pin(const char *name);
@@ -20,6 +21,11 @@ static inline void bcm47xx_nvram_release_contents(char *nvram)
 	vfree(nvram);
 };
 #else
+static inline int bcm47xx_nvram_init_from_iomem(void __iomem *nvram_start,
+						size_t res_size)
+{
+	return -ENOTSUPP;
+}
 static inline int bcm47xx_nvram_init_from_mem(u32 base, u32 lim)
 {
 	return -ENOTSUPP;