platform/x86: intel_scu_ipc: Drop intel_scu_ipc_raw_command()

There is no user for this function so we can drop it from the driver.

Signed-off-by: Mika Westerberg <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>

Author: westeri

arch/x86/include/asm/intel_scu_ipc.h

@@ -38,8 +38,6 @@ int intel_scu_ipc_update_register(u16 addr, u8 data, u8 mask);
 int intel_scu_ipc_simple_command(int cmd, int sub);
 int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
 			  u32 *out, int outlen);
-int intel_scu_ipc_raw_command(int cmd, int sub, u8 *in, int inlen,
-			      u32 *out, int outlen, u32 dptr, u32 sptr);
 
 extern struct blocking_notifier_head intel_scu_notifier;
 

drivers/platform/x86/intel_scu_ipc.c

@@ -383,69 +383,6 @@ int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
 }
 EXPORT_SYMBOL(intel_scu_ipc_command);
 
-#define IPC_SPTR		0x08
-#define IPC_DPTR		0x0C
-
-/**
- * intel_scu_ipc_raw_command() - IPC command with data and pointers
- * @cmd:	IPC command code.
- * @sub:	IPC command sub type.
- * @in:		input data of this IPC command.
- * @inlen:	input data length in dwords.
- * @out:	output data of this IPC command.
- * @outlen:	output data length in dwords.
- * @sptr:	data writing to SPTR register.
- * @dptr:	data writing to DPTR register.
- *
- * Send an IPC command to SCU with input/output data and source/dest pointers.
- *
- * Return:	an IPC error code or 0 on success.
- */
-int intel_scu_ipc_raw_command(int cmd, int sub, u8 *in, int inlen,
-			      u32 *out, int outlen, u32 dptr, u32 sptr)
-{
-	struct intel_scu_ipc_dev *scu = &ipcdev;
-	int inbuflen = DIV_ROUND_UP(inlen, 4);
-	u32 inbuf[4];
-	int i, err;
-
-	/* Up to 16 bytes */
-	if (inbuflen > 4)
-		return -EINVAL;
-
-	mutex_lock(&ipclock);
-	if (scu->dev == NULL) {
-		mutex_unlock(&ipclock);
-		return -ENODEV;
-	}
-
-	writel(dptr, scu->ipc_base + IPC_DPTR);
-	writel(sptr, scu->ipc_base + IPC_SPTR);
-
-	/*
-	 * SRAM controller doesn't support 8-bit writes, it only
-	 * supports 32-bit writes, so we have to copy input data into
-	 * the temporary buffer, and SCU FW will use the inlen to
-	 * determine the actual input data length in the temporary
-	 * buffer.
-	 */
-	memcpy(inbuf, in, inlen);
-
-	for (i = 0; i < inbuflen; i++)
-		ipc_data_writel(scu, inbuf[i], 4 * i);
-
-	ipc_command(scu, (inlen << 16) | (sub << 12) | cmd);
-	err = intel_scu_ipc_check_status(scu);
-	if (!err) {
-		for (i = 0; i < outlen; i++)
-			*out++ = ipc_data_readl(scu, 4 * i);
-	}
-
-	mutex_unlock(&ipclock);
-	return err;
-}
-EXPORT_SYMBOL_GPL(intel_scu_ipc_raw_command);
-
 /*
  * Interrupt handler gets called when ioc bit of IPC_COMMAND_REG set to 1
  * When ioc bit is set to 1, caller api must wait for interrupt handler called