On Tue, Jan 4, 2011 at 6:13 AM, Kevin Hilman <[email protected]>wrote:
> Subhasish Ghosh <[email protected]> writes: > > > From: Subhasish <[email protected]> > > Missing descriptive changelog. > [SG] -- Will Add a changelog. > > > Signed-off-by: Subhasish <[email protected]> > > --- > > arch/arm/mach-davinci/board-da850-evm.c | 36 > +++++++++++++++++++++++++++++++ > > 1 files changed, 36 insertions(+), 0 deletions(-) > > > > diff --git a/arch/arm/mach-davinci/board-da850-evm.c > b/arch/arm/mach-davinci/board-da850-evm.c > > index b01fb2a..f44d184 100644 > > --- a/arch/arm/mach-davinci/board-da850-evm.c > > +++ b/arch/arm/mach-davinci/board-da850-evm.c > > @@ -45,6 +45,7 @@ > > > > #define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0) > > #define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1) > > +#define DA850_PRU_CAN_TRX_PIN GPIO_TO_PIN(2, 0) > > > > #define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6) > > > > @@ -190,6 +191,41 @@ static struct platform_device *da850_evm_devices[] > __initdata = { > > &da850_evm_norflash_device, > > }; > > > > +const short da850_pru_can_pins[] = { > > + DA850_PRU0_R31_0, DA850_PRU1_R30_15, DA850_PRU1_R31_18, > > + -1 > > +}; > > + > > +static int __init da850_evm_setup_pru_can(void) > > +{ > > + int ret; > > + > > + if (!machine_is_davinci_da850_evm()) > > + return 0; > > + > > + ret = davinci_cfg_reg_list(da850_pru_can_pins); > > + if (ret) > > + pr_warning("da850_evm_init: da850_pru_can_pins mux setup" > > + "failed:%d\n", ret); > > + > > + ret = davinci_cfg_reg(DA850_GPIO2_0); > > + if (ret) > > + pr_warning("da850_evm_init:GPIO(2,0) mux setup " > > + "failed\n"); > > + > > + /* value = 0 to enable the CAN transceiver */ > > + ret = gpio_request_one(DA850_PRU_CAN_TRX_PIN, GPIOF_OUT_INIT_LOW, > "pru_can_en"); > > + if (ret) > > + pr_warning("Cannot setup GPIO %d\n", > DA850_PRU_CAN_TRX_PIN); > > Do you want to continue and register the PRU, even if GPIO request > fails? > [SG] -- Will not register the PRU if the GPIO request fails. > > Kevin > > > + ret = da8xx_register_pru_can(); > > + if (ret) > > + pr_warning("da850_evm_init: pru can registration failed:" > > + "%d\n", ret); > > + return ret; > > +} > > +device_initcall(da850_evm_setup_pru_can); > > + > > #define DA8XX_AEMIF_CE2CFG_OFFSET 0x10 > > #define DA8XX_AEMIF_ASIZE_16BIT 0x1 >
_______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
