HSI: omap_ssi_port: remove set but unused variables

W=1 build warns that these are set and unused. eg:

error: variable ‘mode’ set but not used
[-Werror=unused-but-set-variable]

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260401215618.11251-1-rosenp@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Author: neheb

drivers/hsi/controllers/omap_ssi_port.c

@@ -452,7 +452,6 @@ static int ssi_setup(struct hsi_client *cl)
 	void __iomem *sst = omap_port->sst_base;
 	void __iomem *ssr = omap_port->ssr_base;
 	u32 div;
-	u32 val;
 	int err = 0;
 
 	pm_runtime_get_sync(omap_port->pdev);
@@ -470,7 +469,7 @@ static int ssi_setup(struct hsi_client *cl)
 	writel_relaxed(SSI_MODE_SLEEP, sst + SSI_SST_MODE_REG);
 	writel_relaxed(SSI_MODE_SLEEP, ssr + SSI_SSR_MODE_REG);
 	/* Flush posted write */
-	val = readl(ssr + SSI_SSR_MODE_REG);
+	readl(ssr + SSI_SSR_MODE_REG);
 	/* TX */
 	writel_relaxed(31, sst + SSI_SST_FRAMESIZE_REG);
 	writel_relaxed(div, sst + SSI_SST_DIVISOR_REG);
@@ -1299,14 +1298,12 @@ static int ssi_restore_port_ctx(struct omap_ssi_port *omap_port)
 
 static int ssi_restore_port_mode(struct omap_ssi_port *omap_port)
 {
-	u32 mode;
-
 	writel_relaxed(omap_port->sst.mode,
 				omap_port->sst_base + SSI_SST_MODE_REG);
 	writel_relaxed(omap_port->ssr.mode,
 				omap_port->ssr_base + SSI_SSR_MODE_REG);
 	/* OCP barrier */
-	mode = readl(omap_port->ssr_base + SSI_SSR_MODE_REG);
+	readl(omap_port->ssr_base + SSI_SSR_MODE_REG);
 
 	return 0;
 }