diff options
| author | Ye Li <ye.li@nxp.com> | 2020-09-01 20:34:39 -0700 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2022-04-06 18:04:06 +0800 |
| commit | ae43762a96223373cc49e0daa83dcb3dda60a851 (patch) | |
| tree | 139fcedb839a425f176fafef697b2f7e30637499 | |
| parent | 9e79dd53613743a1814ba1fb545138098ef54ef7 (diff) | |
MLK-24616 imx8: misc: Fix hardcoded LPUART0 for LPCG
The LPCG enablement is hardcoded to LPUART0, it causes problem when
customers want to use other UART ports
Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
(cherry picked from commit 59bcdda5391d8d36068b44726a95d2e22bac1ed6)
(cherry picked from commit 6c12b13f40416f23e7d13592d4d90b3956a14914)
(cherry picked from commit 9dd6472acc970db5bd13f40973d84d9f79637478)
(cherry picked from commit f83dcd48381e9194222f3231d9d1640ca2cc1048)
| -rw-r--r-- | arch/arm/mach-imx/imx8/misc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/imx8/misc.c b/arch/arm/mach-imx/imx8/misc.c index c78b3105a9..508a7c8558 100644 --- a/arch/arm/mach-imx/imx8/misc.c +++ b/arch/arm/mach-imx/imx8/misc.c @@ -18,6 +18,9 @@ int sc_pm_setup_uart(sc_rsrc_t uart_rsrc, sc_pm_clock_rate_t clk_rate) sc_pm_clock_rate_t rate = clk_rate; int ret; + if (uart_rsrc < SC_R_UART_0 || uart_rsrc > SC_R_UART_4) + return -EINVAL; + /* Power up UARTn */ ret = sc_pm_set_resource_power_mode(-1, uart_rsrc, SC_PM_PW_MODE_ON); if (ret) @@ -33,7 +36,7 @@ int sc_pm_setup_uart(sc_rsrc_t uart_rsrc, sc_pm_clock_rate_t clk_rate) if (ret) return ret; - lpcg_all_clock_on(LPUART_0_LPCG); + lpcg_all_clock_on(LPUART_0_LPCG + (uart_rsrc - SC_R_UART_0) * 0x10000); return 0; } |