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intel_scu_ipc: fix indentation in few places
While here, do couple of amendments: - move platform variable to the function where it's used - define intel_scu_ipc_check_status() static Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Darren Hart <dvhart@linux.intel.com>
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@ -1,7 +1,7 @@
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/*
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* intel_scu_ipc.c: Driver for the Intel SCU IPC mechanism
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*
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* (C) Copyright 2008-2010 Intel Corporation
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* (C) Copyright 2008-2010,2015 Intel Corporation
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* Author: Sreedhara DS (sreedhara.ds@intel.com)
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*
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* This program is free software; you can redistribute it and/or
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@ -67,7 +67,7 @@
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#define PCI_DEVICE_ID_CLOVERVIEW 0x08ea
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#define PCI_DEVICE_ID_TANGIER 0x11a0
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/* intel scu ipc driver data*/
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/* intel scu ipc driver data */
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struct intel_scu_ipc_pdata_t {
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u32 ipc_base;
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u32 i2c_base;
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@ -114,8 +114,6 @@ struct intel_scu_ipc_dev {
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static struct intel_scu_ipc_dev ipcdev; /* Only one for now */
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static int platform; /* Platform type */
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/*
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* IPC Read Buffer (Read Only):
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* 16 byte buffer for receiving data from SCU, if IPC command
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@ -160,7 +158,6 @@ static inline void ipc_data_writel(u32 data, u32 offset) /* Write ipc data */
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* Format:
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* |rfu3(8)|error code(8)|initiator id(8)|cmd id(4)|rfu1(2)|error(1)|busy(1)|
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*/
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static inline u8 ipc_read_status(void)
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{
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return __raw_readl(ipcdev.ipc_base + 0x04);
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@ -176,7 +173,8 @@ static inline u32 ipc_data_readl(u32 offset) /* Read ipc u32 data */
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return readl(ipcdev.ipc_base + IPC_READ_BUFFER + offset);
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}
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static inline int busy_loop(void) /* Wait till scu status is busy */
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/* Wait till scu status is busy */
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static inline int busy_loop(void)
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{
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u32 status = 0;
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u32 loop_count = 0;
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@ -217,7 +215,7 @@ static inline int ipc_wait_for_interrupt(void)
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return 0;
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}
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int intel_scu_ipc_check_status(void)
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static int intel_scu_ipc_check_status(void)
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{
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return ipcdev.irq_mode ? ipc_wait_for_interrupt() : busy_loop();
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}
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@ -248,18 +246,18 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
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if (id == IPC_CMD_PCNTRL_R) {
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for (nc = 0, offset = 0; nc < count; nc++, offset += 4)
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ipc_data_writel(wbuf[nc], offset);
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ipc_command((count*2) << 16 | id << 12 | 0 << 8 | op);
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ipc_command((count * 2) << 16 | id << 12 | 0 << 8 | op);
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} else if (id == IPC_CMD_PCNTRL_W) {
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for (nc = 0; nc < count; nc++, offset += 1)
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cbuf[offset] = data[nc];
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for (nc = 0, offset = 0; nc < count; nc++, offset += 4)
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ipc_data_writel(wbuf[nc], offset);
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ipc_command((count*3) << 16 | id << 12 | 0 << 8 | op);
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ipc_command((count * 3) << 16 | id << 12 | 0 << 8 | op);
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} else if (id == IPC_CMD_PCNTRL_M) {
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cbuf[offset] = data[0];
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cbuf[offset + 1] = data[1];
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ipc_data_writel(wbuf[0], 0); /* Write wbuff */
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ipc_command(4 << 16 | id << 12 | 0 << 8 | op);
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ipc_command(4 << 16 | id << 12 | 0 << 8 | op);
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}
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err = intel_scu_ipc_check_status();
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@ -301,7 +299,7 @@ EXPORT_SYMBOL(intel_scu_ipc_ioread8);
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*/
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int intel_scu_ipc_ioread16(u16 addr, u16 *data)
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{
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u16 x[2] = {addr, addr + 1 };
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u16 x[2] = {addr, addr + 1};
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return pwr_reg_rdwr(x, (u8 *)data, 2, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_R);
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}
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EXPORT_SYMBOL(intel_scu_ipc_ioread16);
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@ -351,7 +349,7 @@ EXPORT_SYMBOL(intel_scu_ipc_iowrite8);
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*/
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int intel_scu_ipc_iowrite16(u16 addr, u16 data)
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{
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u16 x[2] = {addr, addr + 1 };
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u16 x[2] = {addr, addr + 1};
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return pwr_reg_rdwr(x, (u8 *)&data, 2, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_W);
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}
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EXPORT_SYMBOL(intel_scu_ipc_iowrite16);
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@ -412,7 +410,6 @@ int intel_scu_ipc_writev(u16 *addr, u8 *data, int len)
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}
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EXPORT_SYMBOL(intel_scu_ipc_writev);
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/**
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* intel_scu_ipc_update_register - r/m/w a register
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* @addr: register address
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@ -475,9 +472,8 @@ EXPORT_SYMBOL(intel_scu_ipc_simple_command);
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* Issue a command to the SCU which involves data transfers. Do the
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* data copies under the lock but leave it for the caller to interpret
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*/
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int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
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u32 *out, int outlen)
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u32 *out, int outlen)
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{
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int i, err;
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@ -503,7 +499,7 @@ int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
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}
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EXPORT_SYMBOL(intel_scu_ipc_command);
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/*I2C commands */
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/* I2C commands */
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#define IPC_I2C_WRITE 1 /* I2C Write command */
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#define IPC_I2C_READ 2 /* I2C Read command */
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@ -666,9 +662,10 @@ static struct pci_driver ipc_driver = {
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.remove = ipc_remove,
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};
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static int __init intel_scu_ipc_init(void)
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{
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int platform; /* Platform type */
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platform = intel_mid_identify_cpu();
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if (platform == 0)
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return -ENODEV;
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