Re: [PATCH, v2] clk: sunxi-ng: v3s: Fix incorrect number of hw_clks.

From: Maxime Ripard
Date: Mon Nov 18 2019 - 05:18:25 EST


Hi,

On Wed, Nov 13, 2019 at 09:23:59AM +0000, Tian Yunhao wrote:
> The hws field of sun8i_v3s_hw_clks has only 74
> members. However, the number specified by CLK_NUMBER
> is 77 (= CLK_I2S0 + 1). This leads to runtime segmentation
> fault that is not always reproducible.
>
> This patch corrects this behavior by separating clock
> numbers for V3 and V3S.
>
> Signed-off-by: Yunhao Tian <t123yh@xxxxxxxxxxx>

Even though they are similar, the Signed-off-by doesn't match the
authorship.

> ---
> drivers/clk/sunxi-ng/ccu-sun8i-v3s.c | 4 ++--
> drivers/clk/sunxi-ng/ccu-sun8i-v3s.h | 3 ++-
> 2 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
> index 5c779eec454b..72a87dd0c0d8 100644
> --- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
> +++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
> @@ -618,7 +618,7 @@ static struct clk_hw_onecell_data sun8i_v3s_hw_clks = {
> [CLK_MBUS] = &mbus_clk.common.hw,
> [CLK_MIPI_CSI] = &mipi_csi_clk.common.hw,
> },
> - .num = CLK_NUMBER,
> + .num = CLK_NUMBER_V3S,
> };
>
> static struct clk_hw_onecell_data sun8i_v3_hw_clks = {
> @@ -700,7 +700,7 @@ static struct clk_hw_onecell_data sun8i_v3_hw_clks = {
> [CLK_MBUS] = &mbus_clk.common.hw,
> [CLK_MIPI_CSI] = &mipi_csi_clk.common.hw,
> },
> - .num = CLK_NUMBER,
> + .num = CLK_NUMBER_V3,

There's not much point in having a defined CLK_NUMBER here, just use
the value you've defined it to (so CLK_I2S0 + 1 and CLK_PLL_DDR1 + 1)

Maxime

Attachment: signature.asc
Description: PGP signature