nfc: s3fwrn5: simplify dereferencing pointer to struct device

Simplify the code dereferencing several pointers to reach the struct
device.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c
index 1af7a1e..c20fdba 100644 (file)
--- a/drivers/nfc/s3fwrn5/firmware.c
+++ b/drivers/nfc/s3fwrn5/firmware.c
@@ -357,6 +357,7 @@ s3fwrn5_fw_is_custom(const struct s3fwrn5_fw_cmd_get_bootinfo_rsp *bootinfo)
 
 int s3fwrn5_fw_setup(struct s3fwrn5_fw_info *fw_info)
 {
+       struct device *dev = &fw_info->ndev->nfc_dev->dev;
        struct s3fwrn5_fw_cmd_get_bootinfo_rsp bootinfo;
        int ret;
 
@@ -364,8 +365,7 @@ int s3fwrn5_fw_setup(struct s3fwrn5_fw_info *fw_info)
 
        ret = s3fwrn5_fw_get_bootinfo(fw_info, &bootinfo);
        if (ret < 0) {
-               dev_err(&fw_info->ndev->nfc_dev->dev,
-                       "Failed to get bootinfo, ret=%02x\n", ret);
+               dev_err(dev, "Failed to get bootinfo, ret=%02x\n", ret);
                goto err;
        }
 
@@ -373,8 +373,7 @@ int s3fwrn5_fw_setup(struct s3fwrn5_fw_info *fw_info)
 
        ret = s3fwrn5_fw_get_base_addr(&bootinfo, &fw_info->base_addr);
        if (ret < 0) {
-               dev_err(&fw_info->ndev->nfc_dev->dev,
-                       "Unknown hardware version\n");
+               dev_err(dev, "Unknown hardware version\n");
                goto err;
        }
 
@@ -409,6 +408,7 @@ bool s3fwrn5_fw_check_version(const struct s3fwrn5_fw_info *fw_info, u32 version
 
 int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
 {
+       struct device *dev = &fw_info->ndev->nfc_dev->dev;
        struct s3fwrn5_fw_image *fw = &fw_info->fw;
        u8 hash_data[SHA1_DIGEST_SIZE];
        struct crypto_shash *tfm;
@@ -421,8 +421,7 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
 
        tfm = crypto_alloc_shash("sha1", 0, 0);
        if (IS_ERR(tfm)) {
-               dev_err(&fw_info->ndev->nfc_dev->dev,
-                       "Cannot allocate shash (code=%pe)\n", tfm);
+               dev_err(dev, "Cannot allocate shash (code=%pe)\n", tfm);
                return PTR_ERR(tfm);
        }
 
@@ -430,21 +429,18 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
 
        crypto_free_shash(tfm);
        if (ret) {
-               dev_err(&fw_info->ndev->nfc_dev->dev,
-                       "Cannot compute hash (code=%d)\n", ret);
+               dev_err(dev, "Cannot compute hash (code=%d)\n", ret);
                return ret;
        }
 
        /* Firmware update process */
 
-       dev_info(&fw_info->ndev->nfc_dev->dev,
-               "Firmware update: %s\n", fw_info->fw_name);
+       dev_info(dev, "Firmware update: %s\n", fw_info->fw_name);
 
        ret = s3fwrn5_fw_enter_update_mode(fw_info, hash_data,
                SHA1_DIGEST_SIZE, fw_info->sig, fw_info->sig_size);
        if (ret < 0) {
-               dev_err(&fw_info->ndev->nfc_dev->dev,
-                       "Unable to enter update mode\n");
+               dev_err(dev, "Unable to enter update mode\n");
                return ret;
        }
 
@@ -452,21 +448,18 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
                ret = s3fwrn5_fw_update_sector(fw_info,
                        fw_info->base_addr + off, fw->image + off);
                if (ret < 0) {
-                       dev_err(&fw_info->ndev->nfc_dev->dev,
-                               "Firmware update error (code=%d)\n", ret);
+                       dev_err(dev, "Firmware update error (code=%d)\n", ret);
                        return ret;
                }
        }
 
        ret = s3fwrn5_fw_complete_update_mode(fw_info);
        if (ret < 0) {
-               dev_err(&fw_info->ndev->nfc_dev->dev,
-                       "Unable to complete update mode\n");
+               dev_err(dev, "Unable to complete update mode\n");
                return ret;
        }
 
-       dev_info(&fw_info->ndev->nfc_dev->dev,
-               "Firmware update: success\n");
+       dev_info(dev, "Firmware update: success\n");
 
        return ret;
 }

diff --git a/drivers/nfc/s3fwrn5/nci.c b/drivers/nfc/s3fwrn5/nci.c
index e374e67..ca6828f 100644 (file)
--- a/drivers/nfc/s3fwrn5/nci.c
+++ b/drivers/nfc/s3fwrn5/nci.c
@@ -47,6 +47,7 @@ const struct nci_driver_ops s3fwrn5_nci_prop_ops[4] = {
 
 int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
 {
+       struct device *dev = &info->ndev->nfc_dev->dev;
        const struct firmware *fw;
        struct nci_prop_fw_cfg_cmd fw_cfg;
        struct nci_prop_set_rfreg_cmd set_rfreg;
@@ -55,7 +56,7 @@ int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
        int i, len;
        int ret;
 
-       ret = request_firmware(&fw, fw_name, &info->ndev->nfc_dev->dev);
+       ret = request_firmware(&fw, fw_name, dev);
        if (ret < 0)
                return ret;
 
@@ -77,13 +78,11 @@ int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
 
        /* Start rfreg configuration */
 
-       dev_info(&info->ndev->nfc_dev->dev,
-               "rfreg configuration update: %s\n", fw_name);
+       dev_info(dev, "rfreg configuration update: %s\n", fw_name);
 
        ret = nci_prop_cmd(info->ndev, NCI_PROP_START_RFREG, 0, NULL);
        if (ret < 0) {
-               dev_err(&info->ndev->nfc_dev->dev,
-                       "Unable to start rfreg update\n");
+               dev_err(dev, "Unable to start rfreg update\n");
                goto out;
        }
 
@@ -97,8 +96,7 @@ int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
                ret = nci_prop_cmd(info->ndev, NCI_PROP_SET_RFREG,
                        len+1, (__u8 *)&set_rfreg);
                if (ret < 0) {
-                       dev_err(&info->ndev->nfc_dev->dev,
-                               "rfreg update error (code=%d)\n", ret);
+                       dev_err(dev, "rfreg update error (code=%d)\n", ret);
                        goto out;
                }
                set_rfreg.index++;
@@ -110,13 +108,11 @@ int s3fwrn5_nci_rf_configure(struct s3fwrn5_info *info, const char *fw_name)
        ret = nci_prop_cmd(info->ndev, NCI_PROP_STOP_RFREG,
                sizeof(stop_rfreg), (__u8 *)&stop_rfreg);
        if (ret < 0) {
-               dev_err(&info->ndev->nfc_dev->dev,
-                       "Unable to stop rfreg update\n");
+               dev_err(dev, "Unable to stop rfreg update\n");
                goto out;
        }
 
-       dev_info(&info->ndev->nfc_dev->dev,
-               "rfreg configuration update: success\n");
+       dev_info(dev, "rfreg configuration update: success\n");
 out:
        release_firmware(fw);
        return ret;