mxc_ata.c: In function ‘set_ata_bus_timing’: mxc_ata.c:118: warning: dereferencing type-punned pointer will break strict-aliasing rules mxc_ata.c:125: warning: dereferencing type-punned pointer will break strict-aliasing rules mxc_ata.c:129: warning: dereferencing type-punned pointer will break strict-aliasing rules
Signed-off-by: Marek Vasut <[email protected]> Cc: Stefano Babic <[email protected]> --- drivers/block/mxc_ata.c | 10 +++++++--- 1 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/block/mxc_ata.c b/drivers/block/mxc_ata.c index f22f4f4..d94ec9c 100644 --- a/drivers/block/mxc_ata.c +++ b/drivers/block/mxc_ata.c @@ -98,6 +98,7 @@ static void set_ata_bus_timing(unsigned char mode) { uint32_t val; uint32_t T = 1000000000 / mxc_get_clock(MXC_IPG_CLK); + uint32_t reg; struct mxc_ata_config_regs *ata_regs; ata_regs = (struct mxc_ata_config_regs *)CONFIG_SYS_ATA_BASE_ADDR; @@ -106,22 +107,25 @@ static void set_ata_bus_timing(unsigned char mode) return; /* Write TIME_OFF/ON/1/2W */ + reg = (uint32_t)&ata_regs->time_off; val = (3 << REG2OFF(&ata_regs->time_off)) | (3 << REG2OFF(&ata_regs->time_on)) | (((pio_t1[mode] + T) / T) << REG2OFF(&ata_regs->time_1)) | (((pio_t2_8[mode] + T) / T) << REG2OFF(&ata_regs->time_2w)); - writel(val, &ata_regs->time_off); + writel(val, reg); /* Write TIME_2R/AX/RDX/4 */ + reg = (uint32_t)&ata_regs->time_2r; val = (((pio_t2_8[mode] + T) / T) << REG2OFF(&ata_regs->time_2r)) | (((pio_tA[mode] + T) / T + 2) << REG2OFF(&ata_regs->time_ax)) | (1 << REG2OFF(&ata_regs->time_pio_rdx)) | (((pio_t4[mode] + T) / T) << REG2OFF(&ata_regs->time_4)); - writel(val, &ata_regs->time_2r); + writel(val, reg); /* Write TIME_9 ; the rest of timing registers is irrelevant for PIO */ + reg = (uint32_t)&ata_regs->time_9; val = (((pio_t9[mode] + T) / T) << REG2OFF(&ata_regs->time_9)); - writel(val, &ata_regs->time_9); + writel(val, reg); } int ide_preinit(void) -- 1.7.5.4 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
