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SubjectRe: [PATCH] net: txgbe: fix clk_name exceed MAX_DEV_ID limits
On Wed, Mar 13, 2024 at 04:06:34PM +0800, Duanqiang Wen wrote:
> txgbe register clk which name is i2c_designware.pci_dev_id(),
> clk_name will be stored in clk_lookup_alloc. If PCIe bus number
> is larger than 0x39, clk_name size will be larger than 20 bytes.
> It exceeds clk_lookup_alloc MAX_DEV_ID limits. So the driver
> shortened clk_name.
>
> Fixes: b63f20485e43 ("net: txgbe: Register fixed rate clock")
> Signed-off-by: Duanqiang Wen <duanqiangwen@net-swift.com>
> ---
> drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
> index 93295916b1d2..5b5d5e4310d1 100644
> --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
> +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
> @@ -571,7 +571,7 @@ static int txgbe_clock_register(struct txgbe *txgbe)
> char clk_name[32];
> struct clk *clk;
>
> - snprintf(clk_name, sizeof(clk_name), "i2c_designware.%d",
> + snprintf(clk_name, sizeof(clk_name), "i2c_dw.%d",
> pci_dev_id(pdev));
>
> clk = clk_register_fixed_rate(NULL, clk_name, NULL, 0, 156250000);
> --
> 2.27.0
>
>


I believe the patch is targeted to the "net" tree?
If so, the fix looks OK to me.


Thanks,
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>


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