Re: [PATCH v4 09/25] scsi: ufs: mediatek: Rework the crypt-boost stuff
From: Peter Wang (王信友) <peter.wang@mediatek.com>
Date: 2025-12-24 06:16:45
Also in:
linux-devicetree, linux-mediatek, linux-scsi, lkml
On Thu, 2025-12-18 at 13:54 +0100, Nicolas Frattaroli wrote:
- -static void ufs_mtk_init_boost_crypt(struct ufs_hba *hba) +static int ufs_mtk_init_boost_crypt(struct ufs_hba *hba)
Hi Nicolas, Please do not change the return type if you are not checking the return value.
{ struct ufs_mtk_host *host = ufshcd_get_variant(hba); struct ufs_mtk_crypt_cfg *cfg; struct device *dev = hba->dev; - struct regulator *reg; - u32 volt; + int ret; - host->crypt = devm_kzalloc(dev, sizeof(*(host->crypt)), - GFP_KERNEL); - if (!host->crypt) - goto disable_caps; + cfg = devm_kzalloc(dev, sizeof(*cfg), GFP_KERNEL); + if (!cfg) + return -ENOMEM; - reg = devm_regulator_get_optional(dev, "dvfsrc-vcore"); - if (IS_ERR(reg)) { - dev_info(dev, "failed to get dvfsrc-vcore: %ld", - PTR_ERR(reg)); - goto disable_caps; + cfg->reg_vcore = devm_regulator_get_optional(dev, "dvfsrc- vcore"); + if (IS_ERR(cfg->reg_vcore)) { + dev_err(dev, "Failed to get dvfsrc-vcore: %pe", cfg-quoted
reg_vcore);
Should free the cfg memory?
+ return PTR_ERR(cfg->reg_vcore);
}
- if (of_property_read_u32(dev->of_node, "boost-crypt-vcore-
min",
- &volt)) {
- dev_info(dev, "failed to get boost-crypt-vcore-min");
- goto disable_caps;
+ ret = of_property_read_u32(dev->of_node, "mediatek,boost-
crypt-vcore-min",
+ &cfg->vcore_volt);
+ if (ret) {
+ dev_err(dev, "Failed to get mediatek,boost-crypt-
vcore-min: %pe\n",
+ ERR_PTR(ret));
+ return ret;
}
- cfg = host->crypt;
- if (ufs_mtk_init_host_clk(hba, "crypt_mux",
- &cfg->clk_crypt_mux))
- goto disable_caps;
+ cfg->clk_crypt_mux = devm_clk_get(dev, "crypt_mux");
+ if (IS_ERR(cfg->clk_crypt_mux)) {
+ dev_err(dev, "Failed to get clock crypt_mux: %pe\n",
cfg->clk_crypt_mux);
+ return PTR_ERR(cfg->clk_crypt_mux);
+ }
- if (ufs_mtk_init_host_clk(hba, "crypt_lp",
- &cfg->clk_crypt_lp))
- goto disable_caps;
+ cfg->clk_crypt_lp = devm_clk_get(dev, "crypt_lp");
+ if (IS_ERR(cfg->clk_crypt_lp)) {
+ dev_err(dev, "Failed to get clock crypt_lp: %pe\n",
cfg->clk_crypt_lp);
+ return PTR_ERR(cfg->clk_crypt_lp);
+ }
- if (ufs_mtk_init_host_clk(hba, "crypt_perf",
- &cfg->clk_crypt_perf))
- goto disable_caps;
+ cfg->clk_crypt_perf = devm_clk_get(dev, "crypt_perf");
+ if (IS_ERR(cfg->clk_crypt_perf)) {
+ dev_err(dev, "Failed to get clock crypt_perf: %pe\n",
cfg->clk_crypt_perf);
+ return PTR_ERR(cfg->clk_crypt_perf);
+ }
- cfg->reg_vcore = reg;
- cfg->vcore_volt = volt;
+ host->crypt = cfg;
host->caps |= UFS_MTK_CAP_BOOST_CRYPT_ENGINE;
-disable_caps:
- return;
+ return 0;
}
static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
--
2.52.0