| Message ID | 1445547670-655-1-git-send-email-praneeth@ti.com |
|---|---|
| State | New |
| Headers | show |
On 10/22/2015 04:01 PM, Praneeth Bajjuri wrote: > UART4 low level debug support. This helps in debugging with UART4 > serial console output on DRA7 based platforms. > > Extending the following fix for UART4. > commit 1c7e36bfc3e2 ("ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL enabled on UART3") > > For using DEBUG_LL, enable CONFIG_DEBUG_OMAP4UART4 in menuconfig. > On DRA7, UART4 hwmod doesn't have this flag enabled, > failure observed when UART4 is used for low level debugging. > > Hence, Enable DEBUG_OMAP4UART4_FLAGS for UART4 hwmod. > > Signed-off-by: J.D. Schroeder <jay.schroeder@garmin.com> > Signed-off-by: Praneeth Bajjuri <praneeth@ti.com> > --- > arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c > index 562247b..a242572 100644 > --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c > +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c > @@ -2065,7 +2065,7 @@ static struct omap_hwmod dra7xx_uart4_hwmod = { > .class = &dra7xx_uart_hwmod_class, > .clkdm_name = "l4per_clkdm", > .main_clk = "uart4_gfclk_mux", > - .flags = HWMOD_SWSUP_SIDLE_ACT, > + .flags = HWMOD_SWSUP_SIDLE_ACT | DEBUG_OMAP4UART4_FLAGS, > .prcm = { > .omap4 = { > .clkctrl_offs = DRA7XX_CM_L4PER_UART4_CLKCTRL_OFFSET, > are there other uarts that may need this to be done?
diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 562247b..a242572 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c @@ -2065,7 +2065,7 @@ static struct omap_hwmod dra7xx_uart4_hwmod = { .class = &dra7xx_uart_hwmod_class, .clkdm_name = "l4per_clkdm", .main_clk = "uart4_gfclk_mux", - .flags = HWMOD_SWSUP_SIDLE_ACT, + .flags = HWMOD_SWSUP_SIDLE_ACT | DEBUG_OMAP4UART4_FLAGS, .prcm = { .omap4 = { .clkctrl_offs = DRA7XX_CM_L4PER_UART4_CLKCTRL_OFFSET,
UART4 low level debug support. This helps in debugging with UART4 serial console output on DRA7 based platforms. Extending the following fix for UART4. commit 1c7e36bfc3e2 ("ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL enabled on UART3") For using DEBUG_LL, enable CONFIG_DEBUG_OMAP4UART4 in menuconfig. On DRA7, UART4 hwmod doesn't have this flag enabled, failure observed when UART4 is used for low level debugging. Hence, Enable DEBUG_OMAP4UART4_FLAGS for UART4 hwmod. Signed-off-by: J.D. Schroeder <jay.schroeder@garmin.com> Signed-off-by: Praneeth Bajjuri <praneeth@ti.com> --- arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)