On Tue, Aug 27, 2024 at 03:57:05AM -0600, Yangtao Li wrote:
> Use devm_clk_get_enabled() and devm_clk_get_optional_enabled()
> to simplify code.
>
> Signed-off-by: Yangtao Li <frank.li@xxxxxxxx>
> Reviewed-by: Maxime Chevallier <maxime.chevallier@xxxxxxxxxxx>
> Suggested-by: Serge Semin <fancer.lancer@xxxxxxxxx>
> ---
> v2:
> -remove unused 'ret'
> -fix incompatible-pointer-types
>
> .../ethernet/stmicro/stmmac/stmmac_platform.c | 35 +++++--------------
> 1 file changed, 8 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> index ad868e8d195d..4365afabf3c4 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
> @@ -415,8 +415,6 @@ static int stmmac_of_get_mac_mode(struct device_node *np)
> static void stmmac_remove_config_dt(struct platform_device *pdev,
> struct plat_stmmacenet_data *plat)
> {
> - clk_disable_unprepare(plat->stmmac_clk);
> - clk_disable_unprepare(plat->pclk);
> of_node_put(plat->phy_node);
> of_node_put(plat->mdio_node);
> }
> @@ -436,7 +434,6 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
> struct plat_stmmacenet_data *plat;
> struct stmmac_dma_cfg *dma_cfg;
> int phy_mode;
> - void *ret;
> int rc;
>
> plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
> @@ -615,21 +612,16 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)
>
> /* clock setup */
> if (!of_device_is_compatible(np, "snps,dwc-qos-ethernet-4.10")) {
> - plat->stmmac_clk = devm_clk_get(&pdev->dev,
> - STMMAC_RESOURCE_NAME);
> + plat->stmmac_clk = devm_clk_get_enabled(&pdev->dev, STMMAC_RESOURCE_NAME);
As it looks like there will be a v3 anyway, a minor nit from my side:
Please preserve the line wrapping so that the lines remain <= 80 columns wide,
which is still preferred by Networking code.
plat->stmmac_clk = devm_clk_get_enabled(&pdev->dev,
STMMAC_RESOURCE_NAME);
> if (IS_ERR(plat->stmmac_clk)) {
> dev_warn(&pdev->dev, "Cannot get CSR clock\n");
> plat->stmmac_clk = NULL;
> }
> - clk_prepare_enable(plat->stmmac_clk);
> }
>
...
