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authorSamuel Holland <samuel@sholland.org>2022-08-15 07:12:40 +0300
committerJernej Skrabec <jernej.skrabec@gmail.com>2022-09-08 23:25:38 +0300
commitfd362baad2e659ef0fb5652f023a606b248f1781 (patch)
tree92b1cf39c16314d67e7769ed3d6ae2a35c9b9898 /drivers/soc/sunxi
parent568035b01cfb107af8d2e4bd2fb9aea22cf5b868 (diff)
downloadlinux-fd362baad2e659ef0fb5652f023a606b248f1781.tar.xz
soc: sunxi: sram: Actually claim SRAM regions
sunxi_sram_claim() checks the sram_desc->claimed flag before updating the register, with the intent that only one device can claim a region. However, this was ineffective because the flag was never set. Fixes: 4af34b572a85 ("drivers: soc: sunxi: Introduce SoC driver to map SRAMs") Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com> Signed-off-by: Samuel Holland <samuel@sholland.org> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com> Link: https://lore.kernel.org/r/20220815041248.53268-4-samuel@sholland.org
Diffstat (limited to 'drivers/soc/sunxi')
-rw-r--r--drivers/soc/sunxi/sunxi_sram.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/soc/sunxi/sunxi_sram.c b/drivers/soc/sunxi/sunxi_sram.c
index a8f3876963a0..f3d3f9259df9 100644
--- a/drivers/soc/sunxi/sunxi_sram.c
+++ b/drivers/soc/sunxi/sunxi_sram.c
@@ -254,6 +254,7 @@ int sunxi_sram_claim(struct device *dev)
writel(val | ((device << sram_data->offset) & mask),
base + sram_data->reg);
+ sram_desc->claimed = true;
spin_unlock(&sram_lock);
return 0;