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Message-ID: <95f3b2d4cb51b0eb4c5b93106913d1fd16075579.1535752537.git.nishadkamdar@gmail.com>
Date: Sat, 1 Sep 2018 03:47:15 +0530
From: Nishad Kamdar <nishadkamdar@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Joe Perches <joe@...ches.com>, NeilBrown <neil@...wn.name>,
devel@...verdev.osuosl.org,
Christian Lütke-Stetzkamp <christian@...mp.de>,
linux-kernel@...r.kernel.org, John Crispin <blogic@...nwrt.org>,
Dan Carpenter <dan.carpenter@...cle.com>
Subject: [PATCH v6 1/3] staging: mt7621-mmc: Delete N_MSG() and all its users
This patch removes N_MSG() and all its users since it is a no-op.
Signed-off-by: Nishad Kamdar <nishadkamdar@...il.com>
---
Changes in v6:
- Delete N_MSG() and all its users.
Changes in v5:
- Remove commented code for N_MSG()
---
drivers/staging/mt7621-mmc/dbg.h | 10 --
drivers/staging/mt7621-mmc/sd.c | 242 -------------------------------
2 files changed, 252 deletions(-)
diff --git a/drivers/staging/mt7621-mmc/dbg.h b/drivers/staging/mt7621-mmc/dbg.h
index 4d4898a3ab54..9152db30a2ed 100644
--- a/drivers/staging/mt7621-mmc/dbg.h
+++ b/drivers/staging/mt7621-mmc/dbg.h
@@ -102,16 +102,6 @@ do { \
} while (0)
#endif /* end of +++ */
-#define N_MSG(evt, fmt, args...)
-/*
-do { \
- if ((DBG_EVT_##evt) & sd_debug_zone[host->id]) { \
- printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
- host->id, ##args , __FUNCTION__, __LINE__, current->comm, current->pid); \
- } \
-} while(0)
-*/
-
#define ERR_MSG(fmt, args...) \
do { \
printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
index 4cd4df4fc75f..0154117fae15 100644
--- a/drivers/staging/mt7621-mmc/sd.c
+++ b/drivers/staging/mt7621-mmc/sd.c
@@ -230,144 +230,6 @@ static unsigned int msdc_do_command(struct msdc_host *host,
static int msdc_tune_cmdrsp(struct msdc_host *host, struct mmc_command *cmd);
-#ifdef MT6575_SD_DEBUG
-static void msdc_dump_card_status(struct msdc_host *host, u32 status)
-{
-/* N_MSG is currently a no-op */
-#if 0
- static char *state[] = {
- "Idle", /* 0 */
- "Ready", /* 1 */
- "Ident", /* 2 */
- "Stby", /* 3 */
- "Tran", /* 4 */
- "Data", /* 5 */
- "Rcv", /* 6 */
- "Prg", /* 7 */
- "Dis", /* 8 */
- "Reserved", /* 9 */
- "Reserved", /* 10 */
- "Reserved", /* 11 */
- "Reserved", /* 12 */
- "Reserved", /* 13 */
- "Reserved", /* 14 */
- "I/O mode", /* 15 */
- };
-#endif
- if (status & R1_OUT_OF_RANGE)
- N_MSG(RSP, "[CARD_STATUS] Out of Range");
- if (status & R1_ADDRESS_ERROR)
- N_MSG(RSP, "[CARD_STATUS] Address Error");
- if (status & R1_BLOCK_LEN_ERROR)
- N_MSG(RSP, "[CARD_STATUS] Block Len Error");
- if (status & R1_ERASE_SEQ_ERROR)
- N_MSG(RSP, "[CARD_STATUS] Erase Seq Error");
- if (status & R1_ERASE_PARAM)
- N_MSG(RSP, "[CARD_STATUS] Erase Param");
- if (status & R1_WP_VIOLATION)
- N_MSG(RSP, "[CARD_STATUS] WP Violation");
- if (status & R1_CARD_IS_LOCKED)
- N_MSG(RSP, "[CARD_STATUS] Card is Locked");
- if (status & R1_LOCK_UNLOCK_FAILED)
- N_MSG(RSP, "[CARD_STATUS] Lock/Unlock Failed");
- if (status & R1_COM_CRC_ERROR)
- N_MSG(RSP, "[CARD_STATUS] Command CRC Error");
- if (status & R1_ILLEGAL_COMMAND)
- N_MSG(RSP, "[CARD_STATUS] Illegal Command");
- if (status & R1_CARD_ECC_FAILED)
- N_MSG(RSP, "[CARD_STATUS] Card ECC Failed");
- if (status & R1_CC_ERROR)
- N_MSG(RSP, "[CARD_STATUS] CC Error");
- if (status & R1_ERROR)
- N_MSG(RSP, "[CARD_STATUS] Error");
- if (status & R1_UNDERRUN)
- N_MSG(RSP, "[CARD_STATUS] Underrun");
- if (status & R1_OVERRUN)
- N_MSG(RSP, "[CARD_STATUS] Overrun");
- if (status & R1_CID_CSD_OVERWRITE)
- N_MSG(RSP, "[CARD_STATUS] CID/CSD Overwrite");
- if (status & R1_WP_ERASE_SKIP)
- N_MSG(RSP, "[CARD_STATUS] WP Eraser Skip");
- if (status & R1_CARD_ECC_DISABLED)
- N_MSG(RSP, "[CARD_STATUS] Card ECC Disabled");
- if (status & R1_ERASE_RESET)
- N_MSG(RSP, "[CARD_STATUS] Erase Reset");
- if (status & R1_READY_FOR_DATA)
- N_MSG(RSP, "[CARD_STATUS] Ready for Data");
- if (status & R1_SWITCH_ERROR)
- N_MSG(RSP, "[CARD_STATUS] Switch error");
- if (status & R1_APP_CMD)
- N_MSG(RSP, "[CARD_STATUS] App Command");
-
- N_MSG(RSP, "[CARD_STATUS] '%s' State", state[R1_CURRENT_STATE(status)]);
-}
-
-static void msdc_dump_ocr_reg(struct msdc_host *host, u32 resp)
-{
- if (resp & (1 << 7))
- N_MSG(RSP, "[OCR] Low Voltage Range");
- if (resp & (1 << 15))
- N_MSG(RSP, "[OCR] 2.7-2.8 volt");
- if (resp & (1 << 16))
- N_MSG(RSP, "[OCR] 2.8-2.9 volt");
- if (resp & (1 << 17))
- N_MSG(RSP, "[OCR] 2.9-3.0 volt");
- if (resp & (1 << 18))
- N_MSG(RSP, "[OCR] 3.0-3.1 volt");
- if (resp & (1 << 19))
- N_MSG(RSP, "[OCR] 3.1-3.2 volt");
- if (resp & (1 << 20))
- N_MSG(RSP, "[OCR] 3.2-3.3 volt");
- if (resp & (1 << 21))
- N_MSG(RSP, "[OCR] 3.3-3.4 volt");
- if (resp & (1 << 22))
- N_MSG(RSP, "[OCR] 3.4-3.5 volt");
- if (resp & (1 << 23))
- N_MSG(RSP, "[OCR] 3.5-3.6 volt");
- if (resp & (1 << 24))
- N_MSG(RSP, "[OCR] Switching to 1.8V Accepted (S18A)");
- if (resp & (1 << 30))
- N_MSG(RSP, "[OCR] Card Capacity Status (CCS)");
- if (resp & (1 << 31))
- N_MSG(RSP, "[OCR] Card Power Up Status (Idle)");
- else
- N_MSG(RSP, "[OCR] Card Power Up Status (Busy)");
-}
-
-static void msdc_dump_rca_resp(struct msdc_host *host, u32 resp)
-{
- u32 status = (((resp >> 15) & 0x1) << 23) |
- (((resp >> 14) & 0x1) << 22) |
- (((resp >> 13) & 0x1) << 19) |
- (resp & 0x1fff);
-
- N_MSG(RSP, "[RCA] 0x%.4x", resp >> 16);
- msdc_dump_card_status(host, status);
-}
-
-static void msdc_dump_io_resp(struct msdc_host *host, u32 resp)
-{
- u32 flags = (resp >> 8) & 0xFF;
-#if 0
- char *state[] = {"DIS", "CMD", "TRN", "RFU"};
-#endif
- if (flags & (1 << 7))
- N_MSG(RSP, "[IO] COM_CRC_ERR");
- if (flags & (1 << 6))
- N_MSG(RSP, "[IO] Illegal command");
- if (flags & (1 << 3))
- N_MSG(RSP, "[IO] Error");
- if (flags & (1 << 2))
- N_MSG(RSP, "[IO] RFU");
- if (flags & (1 << 1))
- N_MSG(RSP, "[IO] Function number error");
- if (flags & (1 << 0))
- N_MSG(RSP, "[IO] Out of range");
-
- N_MSG(RSP, "[IO] State: %s, Data:0x%x", state[(resp >> 12) & 0x3], resp & 0xFF);
-}
-#endif
-
static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks)
{
u32 timeout, clk_ns;
@@ -382,9 +244,6 @@ static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks)
timeout = timeout > 255 ? 255 : timeout;
sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, timeout);
-
- N_MSG(OPS, "Set read data timeout: %dns %dclks -> %d x 65536 cycles",
- ns, clks, timeout + 1);
}
static void msdc_tasklet_card(struct work_struct *work)
@@ -572,8 +431,6 @@ static void msdc_pin_config(struct msdc_host *host, int mode)
break;
}
- N_MSG(CFG, "Pins mode(%d), down(%d), up(%d)",
- mode, MSDC_PIN_PULL_DOWN, MSDC_PIN_PULL_UP);
}
void msdc_pin_reset(struct msdc_host *host, int mode)
@@ -595,9 +452,6 @@ void msdc_pin_reset(struct msdc_host *host, int mode)
static void msdc_core_power(struct msdc_host *host, int on)
{
- N_MSG(CFG, "Turn %s %s power (copower: %d -> %d)",
- on ? "on" : "off", "core", host->core_power, on);
-
if (on && host->core_power == 0) {
msdc_vcore_on(host);
host->core_power = 1;
@@ -611,8 +465,6 @@ static void msdc_core_power(struct msdc_host *host, int on)
static void msdc_host_power(struct msdc_host *host, int on)
{
- N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "host");
-
if (on) {
//msdc_core_power(host, 1); // need do card detection.
msdc_pin_reset(host, MSDC_PIN_PULL_UP);
@@ -624,8 +476,6 @@ static void msdc_host_power(struct msdc_host *host, int on)
static void msdc_card_power(struct msdc_host *host, int on)
{
- N_MSG(CFG, "Turn %s %s power ", on ? "on" : "off", "card");
-
if (on) {
msdc_pin_config(host, MSDC_PIN_PULL_UP);
//msdc_vdd_on(host); // need todo card detection.
@@ -639,8 +489,6 @@ static void msdc_card_power(struct msdc_host *host, int on)
static void msdc_set_power_mode(struct msdc_host *host, u8 mode)
{
- N_MSG(CFG, "Set power mode(%d)", mode);
-
if (host->power_mode == MMC_POWER_OFF && mode != MMC_POWER_OFF) {
msdc_host_power(host, 1);
msdc_card_power(host, 1);
@@ -789,8 +637,6 @@ static unsigned int msdc_command_start(struct msdc_host *host,
rawcmd &= ~(0x0FFF << 16);
}
- N_MSG(CMD, "CMD<%d><0x%.8x> Arg<0x%.8x>", opcode, rawcmd, cmd->arg);
-
tmo = jiffies + timeout;
if (opcode == MMC_SEND_STATUS) {
@@ -859,40 +705,6 @@ static unsigned int msdc_command_resp(struct msdc_host *host,
host->cmd = NULL;
//end:
-#ifdef MT6575_SD_DEBUG
- switch (resp) {
- case RESP_NONE:
- N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)", opcode, cmd->error, resp);
- break;
- case RESP_R2:
- N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= %.8x %.8x %.8x %.8x",
- opcode, cmd->error, resp, cmd->resp[0], cmd->resp[1],
- cmd->resp[2], cmd->resp[3]);
- break;
- default: /* Response types 1, 3, 4, 5, 6, 7(1b) */
- N_MSG(RSP, "CMD_RSP(%d): %d RSP(%d)= 0x%.8x",
- opcode, cmd->error, resp, cmd->resp[0]);
- if (cmd->error == 0) {
- switch (resp) {
- case RESP_R1:
- case RESP_R1B:
- msdc_dump_card_status(host, cmd->resp[0]);
- break;
- case RESP_R3:
- msdc_dump_ocr_reg(host, cmd->resp[0]);
- break;
- case RESP_R5:
- msdc_dump_io_resp(host, cmd->resp[0]);
- break;
- case RESP_R6:
- msdc_dump_rca_resp(host, cmd->resp[0]);
- break;
- }
- }
- break;
- }
-#endif
-
/* do we need to save card's RCA when SD_SEND_RELATIVE_ADDR */
if (!tune)
@@ -934,7 +746,6 @@ static unsigned int msdc_do_command(struct msdc_host *host,
end:
- N_MSG(CMD, " return<%d> resp<0x%.8x>", cmd->error, cmd->resp[0]);
return cmd->error;
}
@@ -943,8 +754,6 @@ static unsigned int msdc_do_command(struct msdc_host *host,
static void msdc_dma_resume(struct msdc_host *host)
{
sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_RESUME, 1);
-
- N_MSG(DMA, "DMA resume");
}
#endif /* end of --- */
@@ -955,8 +764,6 @@ static void msdc_dma_start(struct msdc_host *host)
sdr_set_bits(host->base + MSDC_INTEN, wints);
//dsb(); /* --- by chhung */
sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_START, 1);
-
- N_MSG(DMA, "DMA start");
}
static void msdc_dma_stop(struct msdc_host *host)
@@ -964,7 +771,6 @@ static void msdc_dma_stop(struct msdc_host *host)
//u32 retries=500;
u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR;
- N_MSG(DMA, "DMA status: 0x%.8x", readl(host->base + MSDC_DMA_CFG));
//while (readl(host->base + MSDC_DMA_CFG) & MSDC_DMA_CFG_STS);
sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_STOP, 1);
@@ -973,8 +779,6 @@ static void msdc_dma_stop(struct msdc_host *host)
//dsb(); /* --- by chhung */
sdr_clr_bits(host->base + MSDC_INTEN, wints); /* Not just xfer_comp */
-
- N_MSG(DMA, "DMA stop");
}
/* calc checksum */
@@ -997,8 +801,6 @@ static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
BUG_ON(sglen > MAX_BD_NUM); /* not support currently */
- N_MSG(DMA, "DMA sglen<%d> xfersz<%d>", sglen, host->xfer_size);
-
gpd = dma->gpd;
bd = dma->bd;
@@ -1031,10 +833,6 @@ static void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_MODE, 1);
writel(PHYSADDR((u32)dma->gpd_addr), host->base + MSDC_DMA_SA);
-
- N_MSG(DMA, "DMA_CTRL = 0x%x", readl(host->base + MSDC_DMA_CTRL));
- N_MSG(DMA, "DMA_CFG = 0x%x", readl(host->base + MSDC_DMA_CFG));
- N_MSG(DMA, "DMA_SA = 0x%x", readl(host->base + MSDC_DMA_SA));
}
static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
@@ -1059,7 +857,6 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
#if 0 /* --- by chhung */
//if(host->id ==1){
- N_MSG(OPS, "enable clock!");
msdc_ungate_clock(host->id);
//}
#endif /* end of --- */
@@ -1151,8 +948,6 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
}
#endif
- N_MSG(OPS, "CMD<%d> data<%s %s> blksz<%d> block<%d> error<%d>", cmd->opcode, (dma ? "dma" : "pio"),
- (read ? "read " : "write"), data->blksz, data->blocks, data->error);
}
#if 0 /* --- by chhung */
@@ -1161,16 +956,13 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
if (send_type == SND_CMD) {
if (cmd->opcode == MMC_SEND_STATUS) {
if ((cmd->resp[0] & CARD_READY_FOR_DATA) || (CARD_CURRENT_STATE(cmd->resp[0]) != 7)) {
- N_MSG(OPS, "disable clock, CMD13 IDLE");
msdc_gate_clock(host->id);
}
} else {
- N_MSG(OPS, "disable clock, CMD<%d>", cmd->opcode);
msdc_gate_clock(host->id);
}
} else {
if (read) {
- N_MSG(OPS, "disable clock!!! Read CMD<%d>", cmd->opcode);
msdc_gate_clock(host->id);
}
}
@@ -1646,8 +1438,6 @@ static void msdc_set_buswidth(struct msdc_host *host, u32 width)
}
writel(val, host->base + SDC_CFG);
-
- N_MSG(CFG, "Bus Width = %d", width);
}
/* ops.set_ios */
@@ -1890,34 +1680,6 @@ static irqreturn_t msdc_irq(int irq, void *dev_id)
printk(KERN_INFO "msdc[%d] MMCIRQ: SDC_CSTS=0x%.8x\r\n",
host->id, readl(host->base + SDC_CSTS));
-#ifdef MT6575_SD_DEBUG
- {
-/* msdc_int_reg *int_reg = (msdc_int_reg*)&intsts;*/
- N_MSG(INT, "IRQ_EVT(0x%x): MMCIRQ(%d) CDSC(%d), ACRDY(%d), ACTMO(%d), ACCRE(%d) AC19DN(%d)",
- intsts,
- int_reg->mmcirq,
- int_reg->cdsc,
- int_reg->atocmdrdy,
- int_reg->atocmdtmo,
- int_reg->atocmdcrc,
- int_reg->atocmd19done);
- N_MSG(INT, "IRQ_EVT(0x%x): SDIO(%d) CMDRDY(%d), CMDTMO(%d), RSPCRC(%d), CSTA(%d)",
- intsts,
- int_reg->sdioirq,
- int_reg->cmdrdy,
- int_reg->cmdtmo,
- int_reg->rspcrc,
- int_reg->csta);
- N_MSG(INT, "IRQ_EVT(0x%x): XFCMP(%d) DXDONE(%d), DATTMO(%d), DATCRC(%d), DMAEMP(%d)",
- intsts,
- int_reg->xfercomp,
- int_reg->dxferdone,
- int_reg->dattmo,
- int_reg->datcrc,
- int_reg->dmaqempty);
- }
-#endif
-
return IRQ_HANDLED;
}
@@ -1942,8 +1704,6 @@ static void msdc_enable_cd_irq(struct msdc_host *host, int enable)
return;
}
- N_MSG(CFG, "CD IRQ Enable(%d)", enable);
-
if (enable) {
/* card detection circuit relies on the core power so that the core power
* shouldn't be turned off. Here adds a reference count to keep
@@ -2078,8 +1838,6 @@ static void msdc_init_hw(struct msdc_host *host)
sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, DEFAULT_DTOC);
msdc_set_buswidth(host, MMC_BUS_WIDTH_1);
-
- N_MSG(FUC, "init hardware done!");
}
/* called by msdc_drv_remove */
--
2.17.1
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