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authorChih-En Hsu <chih-en.hsu@mediatek.com>2020-09-17 14:44:34 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-17 18:48:23 +0200
commit8e2aeb5b128e4a90fdd7b27ad3740a4b07284333 (patch)
tree1398defd8cf9fe72ad45dd222bd439029000f577
parent1d62a2cedfb58d27718f266da4b35f8367969836 (diff)
nvmem: mtk-efuse: Remove EFUSE register write support
This patch is to remove function "mtk_reg_write" since Mediatek EFUSE hardware only supports read functionality for NVMEM consumers. Fixes: ba360fd040e3 ("nvmem: mtk-efuse: remove nvmem regmap dependency") Acked-by: Andrew-CT Chen <andrew-ct.chen@mediatek.com> Signed-off-by: Chih-En Hsu <chih-en.hsu@mediatek.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20200917134437.16637-2-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/nvmem/mtk-efuse.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/nvmem/mtk-efuse.c b/drivers/nvmem/mtk-efuse.c
index 856d9c3fc38e..6a537d959f14 100644
--- a/drivers/nvmem/mtk-efuse.c
+++ b/drivers/nvmem/mtk-efuse.c
@@ -28,19 +28,6 @@ static int mtk_reg_read(void *context,
return 0;
}
-static int mtk_reg_write(void *context,
- unsigned int reg, void *_val, size_t bytes)
-{
- struct mtk_efuse_priv *priv = context;
- u32 *val = _val;
- int i = 0, words = bytes / 4;
-
- while (words--)
- writel(*val++, priv->base + reg + (i++ * 4));
-
- return 0;
-}
-
static int mtk_efuse_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -61,7 +48,6 @@ static int mtk_efuse_probe(struct platform_device *pdev)
econfig.stride = 4;
econfig.word_size = 4;
econfig.reg_read = mtk_reg_read;
- econfig.reg_write = mtk_reg_write;
econfig.size = resource_size(res);
econfig.priv = priv;
econfig.dev = dev;