A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Merge "serial: msm_geni_serial: Ensure to set clock freq correctly"

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qctecmdr 2019-12-02 13:54:14 -08:00 • committed by Gerrit - the friendly Code Review server
commit ebaf0ef66a
1 changed files with 12 additions and 0 deletions
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12
drivers/tty/serial/msm_geni_serial.c
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@ -1992,6 +1992,10 @@ static void msm_geni_serial_set_termios(struct uart_port *uport,
unsigned long clk_rate;
unsigned long flags;
geni_write_reg_nolog(0x21, uport->membase, GENI_SER_M_CLK_CFG);
geni_write_reg_nolog(0x21, uport->membase, GENI_SER_S_CLK_CFG);
geni_read_reg_nolog(uport->membase, GENI_SER_M_CLK_CFG);
if (!uart_console(uport)) {
int ret = msm_geni_serial_power_on(uport);
@ -2330,6 +2334,10 @@ msm_geni_serial_earlycon_setup(struct earlycon_device *dev,
*/
msm_geni_serial_poll_cancel_tx(uport);
geni_write_reg_nolog(0x21, uport->membase, GENI_SER_M_CLK_CFG);
geni_write_reg_nolog(0x21, uport->membase, GENI_SER_S_CLK_CFG);
geni_read_reg_nolog(uport->membase, GENI_SER_M_CLK_CFG);
se_get_packing_config(8, 1, false, &cfg0, &cfg1);
geni_se_init(uport->membase, (DEF_FIFO_DEPTH_WORDS >> 1),
(DEF_FIFO_DEPTH_WORDS - 2));
@ -2774,6 +2782,10 @@ static int msm_geni_serial_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
}
geni_write_reg_nolog(0x21, uport->membase, GENI_SER_M_CLK_CFG);
geni_write_reg_nolog(0x21, uport->membase, GENI_SER_S_CLK_CFG);
geni_read_reg_nolog(uport->membase, GENI_SER_M_CLK_CFG);
dev_info(&pdev->dev, "Serial port%d added.FifoSize %d is_console%d\n",
line, uport->fifosize, is_console);
device_create_file(uport->dev, &dev_attr_loopback);