linux-kernel - [PATCH V1] mmc: sdhci-uhs2: remove unnecessary variables

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Message-Id: <20241030112216.4057-2-victorshihgli@gmail.com>
Date: Wed, 30 Oct 2024 19:22:16 +0800
From: Victor Shih <victorshihgli@...il.com>
To: ulf.hansson@...aro.org,
	adrian.hunter@...el.com
Cc: linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	benchuanggli@...il.com,
	HL.Liu@...esyslogic.com.tw,
	Greg.tu@...esyslogic.com.tw,
	Victor Shih <victorshihgli@...il.com>,
	kernel test robot <lkp@...el.com>,
	Ben Chuang <ben.chuang@...esyslogic.com.tw>,
	Victor Shih <victor.shih@...esyslogic.com.tw>
Subject: [PATCH V1] mmc: sdhci-uhs2: remove unnecessary variables

From: Victor Shih <victor.shih@...esyslogic.com.tw>

There are unnecessary variables in the sdhci_uhs2_send_command()
that will generate a warning when building the kernel.

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410252107.y9EgrTbA-lkp@intel.com/
Signed-off-by: Ben Chuang <ben.chuang@...esyslogic.com.tw>
Signed-off-by: Victor Shih <victor.shih@...esyslogic.com.tw>
---
 drivers/mmc/host/sdhci-uhs2.c | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/drivers/mmc/host/sdhci-uhs2.c b/drivers/mmc/host/sdhci-uhs2.c
index c488c6d56015..43820eb5a7ea 100644
--- a/drivers/mmc/host/sdhci-uhs2.c
+++ b/drivers/mmc/host/sdhci-uhs2.c
@@ -684,7 +684,6 @@ static void __sdhci_uhs2_send_command(struct sdhci_host *host, struct mmc_comman
 
 static bool sdhci_uhs2_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 {
-	int flags;
 	u32 mask;
 	unsigned long timeout;
 
@@ -714,30 +713,6 @@ static bool sdhci_uhs2_send_command(struct sdhci_host *host, struct mmc_command
 
 	sdhci_uhs2_set_transfer_mode(host, cmd);
 
-	if ((cmd->flags & MMC_RSP_136) && (cmd->flags & MMC_RSP_BUSY)) {
-		WARN_ONCE(1, "Unsupported response type!\n");
-		/*
-		 * This does not happen in practice because 136-bit response
-		 * commands never have busy waiting, so rather than complicate
-		 * the error path, just remove busy waiting and continue.
-		 */
-		cmd->flags &= ~MMC_RSP_BUSY;
-	}
-
-	if (!(cmd->flags & MMC_RSP_PRESENT))
-		flags = SDHCI_CMD_RESP_NONE;
-	else if (cmd->flags & MMC_RSP_136)
-		flags = SDHCI_CMD_RESP_LONG;
-	else if (cmd->flags & MMC_RSP_BUSY)
-		flags = SDHCI_CMD_RESP_SHORT_BUSY;
-	else
-		flags = SDHCI_CMD_RESP_SHORT;
-
-	if (cmd->flags & MMC_RSP_CRC)
-		flags |= SDHCI_CMD_CRC;
-	if (cmd->flags & MMC_RSP_OPCODE)
-		flags |= SDHCI_CMD_INDEX;
-
 	timeout = jiffies;
 	if (host->data_timeout)
 		timeout += nsecs_to_jiffies(host->data_timeout);
-- 
2.25.1