On 2017-11-16 16:09, [email protected] wrote: > From: Ruediger Fichter <[email protected]> > > - initialize clock register correctly
A better commit message would state why we need this change: to enable the clock gate that might have been turned off is the root cell is not using the UART, right? > > Signed-off-by: Ruediger Fichter <[email protected]> > Signed-off-by: Jan von Wiarda <[email protected]> > --- > hypervisor/arch/arm-common/uart-hscif.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/hypervisor/arch/arm-common/uart-hscif.c > b/hypervisor/arch/arm-common/uart-hscif.c > index 4eb7534..ec38230 100644 > --- a/hypervisor/arch/arm-common/uart-hscif.c > +++ b/hypervisor/arch/arm-common/uart-hscif.c > @@ -28,9 +28,16 @@ > > #define HSCIF_FIFO_SIZE 128 > > +#define CON_CLOCK_STS_REG 0xe61501c4 > + > static void uart_init(struct uart_chip *chip) > { > u16 hsscr; > + void *clock_reg = (void*)(unsigned long)chip->debug_console->clock_reg; > + void *clock_sts_reg = (void*)(unsigned long)CON_CLOCK_STS_REG; > + unsigned int gate_nr = chip->debug_console->gate_nr; Style nit: the short "u16 hsscr;" line should come after these. > + > + mmio_write32(clock_reg, mmio_read32(clock_sts_reg) & ~(1 << gate_nr)); > > if (chip->debug_console->divider) { > hsscr = mmio_read16(chip->virt_base + HSCIF_HSSCR); > Jan -- Siemens AG, Corporate Technology, CT RDA ITP SES-DE Corporate Competence Center Embedded Linux -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
