linux-kernel - [PATCH v2 1/6] platform/x86: wmi: Remove unused variable in address space handler

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Message-Id: <20231218195531.311179-2-W_Armin@gmx.de>
Date: Mon, 18 Dec 2023 20:55:26 +0100
From: Armin Wolf <W_Armin@....de>
To: hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com
Cc: platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/6] platform/x86: wmi: Remove unused variable in address space handler

The variable "i" is always zero and only used in shift operations.
Remove it to make the code more readable.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Armin Wolf <W_Armin@....de>
---
 drivers/platform/x86/wmi.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 7303702290e5..906d3a2831ae 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -1144,7 +1144,7 @@ acpi_wmi_ec_space_handler(u32 function, acpi_physical_address address,
 			  u32 bits, u64 *value,
 			  void *handler_context, void *region_context)
 {
-	int result = 0, i = 0;
+	int result = 0;
 	u8 temp = 0;

 	if ((address > 0xFF) || !value)
@@ -1158,9 +1158,9 @@ acpi_wmi_ec_space_handler(u32 function, acpi_physical_address address,

 	if (function == ACPI_READ) {
 		result = ec_read(address, &temp);
-		(*value) |= ((u64)temp) << i;
+		*value = temp;
 	} else {
-		temp = 0xff & ((*value) >> i);
+		temp = 0xff & *value;
 		result = ec_write(address, temp);
 	}

--
2.39.2