Commit 683618b0 authored by Kunihiko Hayashi's avatar Kunihiko Hayashi Committed by Greg Kroah-Hartman
Browse files

nvmem: uniphier: change access unit from 32bit to 8bit 



The efuse on UniPhier allows 8bit access according to the specification.
Since bit offset of nvmem is limited to 0-7, it is desiable to change
access unit of nvmem to 8bit.

Signed-off-by: default avatarKunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fc2f9970

drivers/nvmem/uniphier-efuse.c

+5 −5
Original line number Diff line number Diff line
@@ -27,11 +27,11 @@ static int uniphier_reg_read(void *context, 
			     unsigned int reg, void *_val, size_t bytes)

{

	struct uniphier_efuse_priv *priv = context;

	u32 *val = _val;

	u8 *val = _val;

	int offs;



	for (offs = 0; offs < bytes; offs += sizeof(u32))

		*val++ = readl(priv->base + reg + offs);

	for (offs = 0; offs < bytes; offs += sizeof(u8))

		*val++ = readb(priv->base + reg + offs);



	return 0;

}
@@ -53,8 +53,8 @@ static int uniphier_efuse_probe(struct platform_device *pdev) 
	if (IS_ERR(priv->base))

		return PTR_ERR(priv->base);



	econfig.stride = 4;

	econfig.word_size = 4;

	econfig.stride = 1;

	econfig.word_size = 1;

	econfig.read_only = true;

	econfig.reg_read = uniphier_reg_read;

	econfig.size = resource_size(res);

CRA Git | Maintained and supported by SUSTech CRA and CCSE