From 87a1acbb6991521af2a8d1f75c2adacbece9ab5e Mon Sep 17 00:00:00 2001 From: Tom Rini Date: Tue, 24 Jul 2012 14:54:41 -0700 Subject: am33xx: Turn a number of 'int' functions to 'void' A number of memory initalization functions were int and always returned 0. Further it's not feasible to be doing error checking here, so simply turn them into void functions. Signed-off-by: Tom Rini --- arch/arm/cpu/armv7/am33xx/ddr.c | 29 ++++++----------------------- 1 file changed, 6 insertions(+), 23 deletions(-) (limited to 'arch/arm/cpu/armv7/am33xx/ddr.c') diff --git a/arch/arm/cpu/armv7/am33xx/ddr.c b/arch/arm/cpu/armv7/am33xx/ddr.c index b4b3c01..7ac144a 100644 --- a/arch/arm/cpu/armv7/am33xx/ddr.c +++ b/arch/arm/cpu/armv7/am33xx/ddr.c @@ -40,26 +40,19 @@ static struct ddr_cmdtctrl *ioctrl_reg = { (struct ddr_cmdtctrl *)DDR_CONTROL_BASE_ADDR}; /** - * As a convention, all functions here return 0 on success - * -1 on failure. - */ - -/** * Configure SDRAM */ -int config_sdram(struct sdram_config *cfg) +void config_sdram(struct sdram_config *cfg) { writel(cfg->refresh, &emif_reg->emif_sdram_ref_ctrl); writel(cfg->refresh_sh, &emif_reg->emif_sdram_ref_ctrl_shdw); writel(cfg->sdrcr, &emif_reg->emif_sdram_config); - - return 0; } /** * Set SDRAM timings */ -int set_sdram_timings(struct sdram_timing *t) +void set_sdram_timings(struct sdram_timing *t) { writel(t->time1, &emif_reg->emif_sdram_tim_1); writel(t->time1_sh, &emif_reg->emif_sdram_tim_1_shdw); @@ -67,25 +60,21 @@ int set_sdram_timings(struct sdram_timing *t) writel(t->time2_sh, &emif_reg->emif_sdram_tim_2_shdw); writel(t->time3, &emif_reg->emif_sdram_tim_3); writel(t->time3_sh, &emif_reg->emif_sdram_tim_3_shdw); - - return 0; } /** * Configure DDR PHY */ -int config_ddr_phy(struct ddr_phy_control *p) +void config_ddr_phy(struct ddr_phy_control *p) { writel(p->reg, &emif_reg->emif_ddr_phy_ctrl_1); writel(p->reg_sh, &emif_reg->emif_ddr_phy_ctrl_1_shdw); - - return 0; } /** * Configure DDR CMD control registers */ -int config_cmd_ctrl(const struct cmd_control *cmd) +void config_cmd_ctrl(const struct cmd_control *cmd) { writel(cmd->cmd0csratio, &ddr_reg[0]->cm0csratio); writel(cmd->cmd0csforce, &ddr_reg[0]->cm0csforce); @@ -104,14 +93,12 @@ int config_cmd_ctrl(const struct cmd_control *cmd) writel(cmd->cmd2csdelay, &ddr_reg[0]->cm2csdelay); writel(cmd->cmd2dldiff, &ddr_reg[0]->cm2dldiff); writel(cmd->cmd2iclkout, &ddr_reg[0]->cm2iclkout); - - return 0; } /** * Configure DDR DATA registers */ -int config_ddr_data(int macrono, const struct ddr_data *data) +void config_ddr_data(int macrono, const struct ddr_data *data) { writel(data->datardsratio0, &ddr_reg[macrono]->dt0rdsratio0); writel(data->datardsratio1, &ddr_reg[macrono]->dt0rdsratio1); @@ -131,17 +118,13 @@ int config_ddr_data(int macrono, const struct ddr_data *data) writel(data->datawrsratio1, &ddr_reg[macrono]->dt0wrsratio1); writel(data->datadldiff0, &ddr_reg[macrono]->dt0dldiff0); - - return 0; } -int config_io_ctrl(struct ddr_ioctrl *ioctrl) +void config_io_ctrl(struct ddr_ioctrl *ioctrl) { writel(ioctrl->cmd1ctl, &ioctrl_reg->cm0ioctl); writel(ioctrl->cmd2ctl, &ioctrl_reg->cm1ioctl); writel(ioctrl->cmd3ctl, &ioctrl_reg->cm2ioctl); writel(ioctrl->data1ctl, &ioctrl_reg->dt0ioctl); writel(ioctrl->data2ctl, &ioctrl_reg->dt1ioctl); - - return 0; } -- cgit v1.1