From a6a36008d7d735351d11af357fae7fc2827b46eb Mon Sep 17 00:00:00 2001 From: Roland Stigge Date: Mon, 12 Mar 2012 22:54:52 +0100 Subject: [PATCH] USB: ohci-nxp: Remove i2c_write(), use smbus This patch removes the re-coded i2c_write function from the ohci-nxp driver in favour of using just smbus functions. Signed-off-by: Roland Stigge Acked-by: Arnd Bergmann Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-nxp.c | 58 ++++++++++++++++++++++----------------------- 1 file changed, 29 insertions(+), 29 deletions(-) diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c index e7cc7b6..6618de1 100644 --- a/drivers/usb/host/ohci-nxp.c +++ b/drivers/usb/host/ohci-nxp.c @@ -149,38 +149,36 @@ static struct i2c_driver isp1301_driver = { .id_table = isp1301_id, }; -static void i2c_write(u8 buf, u8 subaddr) -{ - char tmpbuf[2]; - - tmpbuf[0] = subaddr; /*register number */ - tmpbuf[1] = buf; /*register data */ - i2c_master_send(isp1301_i2c_client, &tmpbuf[0], 2); -} - static void isp1301_configure_pnx4008(void) { /* PNX4008 only supports DAT_SE0 USB mode */ /* PNX4008 R2A requires setting the MAX603 to output 3.6V */ /* Power up externel charge-pump */ - i2c_write(MC1_DAT_SE0 | MC1_SPEED_REG, ISP1301_I2C_MODE_CONTROL_1); - i2c_write(~(MC1_DAT_SE0 | MC1_SPEED_REG), - ISP1301_I2C_MODE_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(MC2_BI_DI | MC2_PSW_EN | MC2_SPD_SUSP_CTRL, - ISP1301_I2C_MODE_CONTROL_2); - i2c_write(~(MC2_BI_DI | MC2_PSW_EN | MC2_SPD_SUSP_CTRL), - ISP1301_I2C_MODE_CONTROL_2 | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN, - ISP1301_I2C_OTG_CONTROL_1); - i2c_write(~(OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN), - ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(0xFF, - ISP1301_I2C_INTERRUPT_LATCH | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(0xFF, - ISP1301_I2C_INTERRUPT_FALLING | ISP1301_I2C_REG_CLEAR_ADDR); - i2c_write(0xFF, - ISP1301_I2C_INTERRUPT_RISING | ISP1301_I2C_REG_CLEAR_ADDR); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_1, MC1_DAT_SE0 | MC1_SPEED_REG); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR, + ~(MC1_DAT_SE0 | MC1_SPEED_REG)); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_2, + MC2_BI_DI | MC2_PSW_EN | MC2_SPD_SUSP_CTRL); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_MODE_CONTROL_2 | ISP1301_I2C_REG_CLEAR_ADDR, + ~(MC2_BI_DI | MC2_PSW_EN | MC2_SPD_SUSP_CTRL)); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_OTG_CONTROL_1, OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR, + ~(OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN)); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_INTERRUPT_LATCH | ISP1301_I2C_REG_CLEAR_ADDR, 0xFF); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_INTERRUPT_FALLING | ISP1301_I2C_REG_CLEAR_ADDR, + 0xFF); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_INTERRUPT_RISING | ISP1301_I2C_REG_CLEAR_ADDR, + 0xFF); } static void isp1301_configure_lpc32xx(void) @@ -242,13 +240,15 @@ static void isp1301_configure(void) static inline void isp1301_vbus_on(void) { - i2c_write(OTG1_VBUS_DRV, ISP1301_I2C_OTG_CONTROL_1); + i2c_smbus_write_byte_data(isp1301_i2c_client, ISP1301_I2C_OTG_CONTROL_1, + OTG1_VBUS_DRV); } static inline void isp1301_vbus_off(void) { - i2c_write(OTG1_VBUS_DRV, - ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR); + i2c_smbus_write_byte_data(isp1301_i2c_client, + ISP1301_I2C_OTG_CONTROL_1 | ISP1301_I2C_REG_CLEAR_ADDR, + OTG1_VBUS_DRV); } static void nxp_start_hc(void) -- 2.7.4