staging: rts5208: fix style warnings in sd.c
authorSergio Paracuellos <sergio.paracuellos@gmail.com>
Fri, 23 Sep 2016 14:12:13 +0000 (16:12 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 25 Sep 2016 10:40:30 +0000 (12:40 +0200)
This patch fixes the following checkpatch.pl warning in sd.c:
WARNING: else is not generally useful after a break or return

It also makes code more uniform with the new changes

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/rts5208/sd.c

index e72c4324ad5e9c706ec817db2aaabf43f2e0d9f0..b0bbb36f89889003b4972f5e84893d17f50e3c33 100644 (file)
@@ -2588,16 +2588,12 @@ Switch_Fail:
 #endif
 
        retval = sd_prepare_reset(chip);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        retval = sd_dummy_clock(chip);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        if (CHK_SDIO_EXIST(chip) && !CHK_SDIO_IGNORED(chip) && try_sdio) {
                int rty_cnt = 0;
@@ -2605,8 +2601,7 @@ Switch_Fail:
                for (; rty_cnt < chip->sdio_retry_cnt; rty_cnt++) {
                        if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
                                sd_set_err_code(chip, SD_NO_CARD);
-                               rtsx_trace(chip);
-                               return STATUS_FAIL;
+                               goto Status_Fail;
                        }
 
                        retval = sd_send_cmd_get_rsp(chip, IO_SEND_OP_COND, 0,
@@ -2618,8 +2613,7 @@ Switch_Fail:
                                        dev_dbg(rtsx_dev(chip), "SD_IO card (Function number: %d)!\n",
                                                func_num);
                                        chip->sd_io = 1;
-                                       rtsx_trace(chip);
-                                       return STATUS_FAIL;
+                                       goto Status_Fail;
                                }
 
                                break;
@@ -2637,10 +2631,8 @@ Switch_Fail:
 RTY_SD_RST:
        retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0,
                                NULL, 0);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        wait_timeout(20);
 
@@ -2658,10 +2650,8 @@ RTY_SD_RST:
 
                retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0,
                                        SD_RSP_TYPE_R0, NULL, 0);
-               if (retval != STATUS_SUCCESS) {
-                       rtsx_trace(chip);
-                       return STATUS_FAIL;
-               }
+               if (retval != STATUS_SUCCESS)
+                       goto Status_Fail;
 
                wait_timeout(20);
        }
@@ -2672,39 +2662,32 @@ RTY_SD_RST:
                if (retval != STATUS_SUCCESS) {
                        if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
                                sd_set_err_code(chip, SD_NO_CARD);
-                               rtsx_trace(chip);
-                               return STATUS_FAIL;
+                               goto Status_Fail;
                        }
 
                        j++;
-                       if (j < 3) {
+                       if (j < 3)
                                goto RTY_SD_RST;
-                       } else {
-                               rtsx_trace(chip);
-                               return STATUS_FAIL;
-                       }
+                       else
+                               goto Status_Fail;
                }
 
                retval = sd_send_cmd_get_rsp(chip, SD_APP_OP_COND, voltage,
                                        SD_RSP_TYPE_R3, rsp, 5);
                if (retval != STATUS_SUCCESS) {
                        k++;
-                       if (k < 3) {
+                       if (k < 3)
                                goto RTY_SD_RST;
-                       } else {
-                               rtsx_trace(chip);
-                               return STATUS_FAIL;
-                       }
+                       else
+                               goto Status_Fail;
                }
 
                i++;
                wait_timeout(20);
        } while (!(rsp[1] & 0x80) && (i < 255));
 
-       if (i == 255) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (i == 255)
+               goto Status_Fail;
 
        if (hi_cap_flow) {
                if (rsp[1] & 0x40)
@@ -2721,26 +2704,20 @@ RTY_SD_RST:
 
        if (support_1v8) {
                retval = sd_voltage_switch(chip);
-               if (retval != STATUS_SUCCESS) {
-                       rtsx_trace(chip);
-                       return STATUS_FAIL;
-               }
+               if (retval != STATUS_SUCCESS)
+                       goto Status_Fail;
        }
 
        retval = sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2,
                                NULL, 0);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        for (i = 0; i < 3; i++) {
                retval = sd_send_cmd_get_rsp(chip, SEND_RELATIVE_ADDR, 0,
                                        SD_RSP_TYPE_R6, rsp, 5);
-               if (retval != STATUS_SUCCESS) {
-                       rtsx_trace(chip);
-                       return STATUS_FAIL;
-               }
+               if (retval != STATUS_SUCCESS)
+                       goto Status_Fail;
 
                sd_card->sd_addr = (u32)rsp[1] << 24;
                sd_card->sd_addr += (u32)rsp[2] << 16;
@@ -2750,24 +2727,18 @@ RTY_SD_RST:
        }
 
        retval = sd_check_csd(chip, 1);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        retval = sd_select_card(chip, 1);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
 #ifdef SUPPORT_SD_LOCK
 SD_UNLOCK_ENTRY:
        retval = sd_update_lock_status(chip);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        if (sd_card->sd_lock_status & SD_LOCKED) {
                sd_card->sd_lock_status |= (SD_LOCK_1BIT_MODE | SD_PWD_EXIST);
@@ -2779,32 +2750,24 @@ SD_UNLOCK_ENTRY:
 
        retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
                                SD_RSP_TYPE_R1, NULL, 0);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        retval = sd_send_cmd_get_rsp(chip, SET_CLR_CARD_DETECT, 0,
                                SD_RSP_TYPE_R1, NULL, 0);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        if (support_1v8) {
                retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
                                        SD_RSP_TYPE_R1, NULL, 0);
-               if (retval != STATUS_SUCCESS) {
-                       rtsx_trace(chip);
-                       return STATUS_FAIL;
-               }
+               if (retval != STATUS_SUCCESS)
+                       goto Status_Fail;
 
                retval = sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2,
                                        SD_RSP_TYPE_R1, NULL, 0);
-               if (retval != STATUS_SUCCESS) {
-                       rtsx_trace(chip);
-                       return STATUS_FAIL;
-               }
+               if (retval != STATUS_SUCCESS)
+                       goto Status_Fail;
 
                switch_bus_width = SD_BUS_WIDTH_4;
        } else {
@@ -2813,16 +2776,12 @@ SD_UNLOCK_ENTRY:
 
        retval = sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, SD_RSP_TYPE_R1,
                                NULL, 0);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        if (!(sd_card->raw_csd[4] & 0x40))
                sd_dont_switch = true;
@@ -2861,17 +2820,13 @@ SD_UNLOCK_ENTRY:
        if (!support_1v8) {
                retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
                                        SD_RSP_TYPE_R1, NULL, 0);
-               if (retval != STATUS_SUCCESS) {
-                       rtsx_trace(chip);
-                       return STATUS_FAIL;
-               }
+               if (retval != STATUS_SUCCESS)
+                       goto Status_Fail;
 
                retval = sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2,
                                        SD_RSP_TYPE_R1, NULL, 0);
-               if (retval != STATUS_SUCCESS) {
-                       rtsx_trace(chip);
-                       return STATUS_FAIL;
-               }
+               if (retval != STATUS_SUCCESS)
+                       goto Status_Fail;
        }
 
 #ifdef SUPPORT_SD_LOCK
@@ -2889,10 +2844,8 @@ SD_UNLOCK_ENTRY:
                }
 
                retval = sd_set_init_para(chip);
-               if (retval != STATUS_SUCCESS) {
-                       rtsx_trace(chip);
-                       return STATUS_FAIL;
-               }
+               if (retval != STATUS_SUCCESS)
+                       goto Status_Fail;
 
                if (CHK_SD_DDR50(sd_card))
                        retval = sd_ddr_tuning(chip);
@@ -2901,14 +2854,11 @@ SD_UNLOCK_ENTRY:
 
                if (retval != STATUS_SUCCESS) {
                        if (sd20_mode) {
-                               rtsx_trace(chip);
-                               return STATUS_FAIL;
+                               goto Status_Fail;
                        } else {
                                retval = sd_init_power(chip);
-                               if (retval != STATUS_SUCCESS) {
-                                       rtsx_trace(chip);
-                                       return STATUS_FAIL;
-                               }
+                               if (retval != STATUS_SUCCESS)
+                                       goto Status_Fail;
 
                                try_sdio = false;
                                sd20_mode = true;
@@ -2929,14 +2879,11 @@ SD_UNLOCK_ENTRY:
                        retval = sd_read_lba0(chip);
                        if (retval != STATUS_SUCCESS) {
                                if (sd20_mode) {
-                                       rtsx_trace(chip);
-                                       return STATUS_FAIL;
+                                       goto Status_Fail;
                                } else {
                                        retval = sd_init_power(chip);
-                                       if (retval != STATUS_SUCCESS) {
-                                               rtsx_trace(chip);
-                                               return STATUS_FAIL;
-                                       }
+                                       if (retval != STATUS_SUCCESS)
+                                               goto Status_Fail;
 
                                        try_sdio = false;
                                        sd20_mode = true;
@@ -2947,10 +2894,8 @@ SD_UNLOCK_ENTRY:
        }
 
        retval = sd_check_wp_state(chip);
-       if (retval != STATUS_SUCCESS) {
-               rtsx_trace(chip);
-               return STATUS_FAIL;
-       }
+       if (retval != STATUS_SUCCESS)
+               goto Status_Fail;
 
        chip->card_bus_width[chip->card2lun[SD_CARD]] = 4;
 
@@ -2972,6 +2917,10 @@ SD_UNLOCK_ENTRY:
 #endif
 
        return STATUS_SUCCESS;
+
+Status_Fail:
+       rtsx_trace(chip);
+       return STATUS_FAIL;
 }
 
 static int mmc_test_switch_bus(struct rtsx_chip *chip, u8 width)