| Message ID | 1499326597-10821-2-git-send-email-finley.xiao@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Jul 06, 2017 at 03:36:36PM +0800, Finley Xiao wrote: > The eFuse size is defined in property <reg> before, but the length > of registers is not equal to the size on some platforms, so we > add a new property to redefine it. > > Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com> > --- > Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt | 4 ++++ > drivers/nvmem/rockchip-efuse.c | 4 +++- > 2 files changed, 7 insertions(+), 1 deletion(-) Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt index 194926f..d206aa1 100644 --- a/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt +++ b/Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt @@ -11,6 +11,10 @@ Required properties: - clocks: Should be the clock id of eFuse - clock-names: Should be "pclk_efuse" +Optional properties: +- rockchip,efuse-size: Should be exact eFuse size in byte, the eFuse + size in property <reg> will be invalid if define this property. + Deprecated properties: - compatible: "rockchip,rockchip-efuse" Old efuse compatible value compatible to rk3066a, rk3188 and rk3288 diff --git a/drivers/nvmem/rockchip-efuse.c b/drivers/nvmem/rockchip-efuse.c index a0d4ede..8e3e5d0 100644 --- a/drivers/nvmem/rockchip-efuse.c +++ b/drivers/nvmem/rockchip-efuse.c @@ -214,7 +214,9 @@ static int rockchip_efuse_probe(struct platform_device *pdev) return PTR_ERR(efuse->clk); efuse->dev = &pdev->dev; - econfig.size = resource_size(res); + if (of_property_read_u32(dev->of_node, "rockchip,efuse-size", + &econfig.size)) + econfig.size = resource_size(res); econfig.reg_read = match->data; econfig.priv = efuse; econfig.dev = efuse->dev;
The eFuse size is defined in property <reg> before, but the length of registers is not equal to the size on some platforms, so we add a new property to redefine it. Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com> --- Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt | 4 ++++ drivers/nvmem/rockchip-efuse.c | 4 +++- 2 files changed, 7 insertions(+), 1 deletion(-)