Openwrt/target/linux/generic/backport-5.4/831-v5.13-0004-firmware-bcm47xx_nvram-look-for-NVRAM-with-for-inste.patch
Rafał Miłecki 1c48eee5b2 kernel: backport Broadcom NVRAM driver cleanups
Refactoring of bcm47xx_nvram driver. It's used by bcm47xx and bcm53xx.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2021-03-12 18:08:41 +01:00

38 lines
1.3 KiB
Diff

From 98b68324f67236e8c9152976535dc1f27fb67ba8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Mon, 8 Mar 2021 10:03:19 +0100
Subject: [PATCH] firmware: bcm47xx_nvram: look for NVRAM with for instead of
while
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This loop requires variable initialization, stop condition and post
iteration increment. It's pretty much a for loop definition.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
drivers/firmware/broadcom/bcm47xx_nvram.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/drivers/firmware/broadcom/bcm47xx_nvram.c
+++ b/drivers/firmware/broadcom/bcm47xx_nvram.c
@@ -93,15 +93,13 @@ static int bcm47xx_nvram_find_and_copy(v
}
/* TODO: when nvram is on nand flash check for bad blocks first. */
- flash_size = FLASH_MIN;
- while (flash_size <= res_size) {
+ for (flash_size = FLASH_MIN; flash_size <= res_size; flash_size <<= 1) {
/* Windowed flash access */
size = find_nvram_size(flash_start + flash_size);
if (size) {
offset = flash_size - size;
goto found;
}
- flash_size <<= 1;
}
/* Try embedded NVRAM at 4 KB and 1 KB as last resorts */