Use IS_ENABLED() instead for all conditions. Add the 'lba48' flag into struct blk_desc always, since it uses very little space. Use a bool so the meaning is clearer.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/block/ide.c | 57 ++++++++++++++++----------------------------- include/blk.h | 4 +--- 2 files changed, 21 insertions(+), 40 deletions(-)
diff --git a/drivers/block/ide.c b/drivers/block/ide.c index 6c5227a5c0e2..45201333c3c5 100644 --- a/drivers/block/ide.c +++ b/drivers/block/ide.c @@ -540,11 +540,9 @@ static void atapi_inquiry(struct blk_desc *dev_desc) ((unsigned long) iobuf[5] << 16) + ((unsigned long) iobuf[6] << 8) + ((unsigned long) iobuf[7]); dev_desc->log2blksz = LOG2(dev_desc->blksz); -#ifdef CONFIG_LBA48 + /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */ - dev_desc->lba48 = 0; -#endif - return; + dev_desc->lba48 = false; }
static void ide_ident(struct blk_desc *dev_desc) @@ -645,9 +643,9 @@ static void ide_ident(struct blk_desc *dev_desc) ((unsigned long)iop.lba_capacity[0]) | ((unsigned long)iop.lba_capacity[1] << 16);
-#ifdef CONFIG_LBA48 - if (iop.command_set_2 & 0x0400) { /* LBA 48 support */ - dev_desc->lba48 = 1; + if (IS_ENABLED(CONFIG_LBA48) && (iop.command_set_2 & 0x0400)) { + /* LBA 48 support */ + dev_desc->lba48 = true; for (int i = 0; i < 4; i++) iop.lba48_capacity[i] = be16_to_cpu(iop.lba48_capacity[i]); dev_desc->lba = @@ -656,9 +654,9 @@ static void ide_ident(struct blk_desc *dev_desc) ((unsigned long long)iop.lba48_capacity[2] << 32) | ((unsigned long long)iop.lba48_capacity[3] << 48)); } else { - dev_desc->lba48 = 0; + dev_desc->lba48 = false; } -#endif /* CONFIG_LBA48 */ + /* assuming HD */ dev_desc->type = DEV_TYPE_HARDDISK; dev_desc->blksz = ATA_BLOCKSIZE; @@ -795,15 +793,13 @@ static ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, ulong n = 0; unsigned char c; unsigned char pwrsave = 0; /* power save */ + bool lba48 = false;
-#ifdef CONFIG_LBA48 - unsigned char lba48 = 0; - - if (blknr & 0x0000fffff0000000ULL) { + if (IS_ENABLED(CONFIG_LBA48) && (blknr & 0x0000fffff0000000ULL)) { /* more than 28 bits used, use 48bit mode */ - lba48 = 1; + lba48 = true; } -#endif + debug("ide_read dev %d start " LBAF ", blocks " LBAF " buffer at %lX\n", device, blknr, blkcnt, (ulong) buffer);
@@ -845,8 +841,7 @@ static ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, printf("IDE read: device %d not ready\n", device); break; } -#ifdef CONFIG_LBA48 - if (lba48) { + if (IS_ENABLED(CONFIG_LBA48) && lba48) { /* write high bits */ ide_outb(device, ATA_SECT_CNT, 0); ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); @@ -858,21 +853,17 @@ static ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, ide_outb(device, ATA_LBA_HIGH, 0); #endif } -#endif ide_outb(device, ATA_SECT_CNT, 1); ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF); ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
-#ifdef CONFIG_LBA48 - if (lba48) { + if (IS_ENABLED(CONFIG_LBA48) && lba48) { ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); ide_outb(device, ATA_COMMAND, ATA_CMD_PIO_READ_EXT);
- } else -#endif - { + } else { ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) | ((blknr >> 24) & 0xF)); ide_outb(device, ATA_COMMAND, ATA_CMD_PIO_READ); @@ -914,15 +905,12 @@ static ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, int device = block_dev->devnum; ulong n = 0; unsigned char c; + bool lba48 = false;
-#ifdef CONFIG_LBA48 - unsigned char lba48 = 0; - - if (blknr & 0x0000fffff0000000ULL) { + if (IS_ENABLED(CONFIG_LBA48) && (blknr & 0x0000fffff0000000ULL)) { /* more than 28 bits used, use 48bit mode */ - lba48 = 1; + lba48 = true; } -#endif
/* Select device */ @@ -935,8 +923,7 @@ static ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, printf("IDE read: device %d not ready\n", device); goto WR_OUT; } -#ifdef CONFIG_LBA48 - if (lba48) { + if (IS_ENABLED(CONFIG_LBA48) && lba48) { /* write high bits */ ide_outb(device, ATA_SECT_CNT, 0); ide_outb(device, ATA_LBA_LOW, (blknr >> 24) & 0xFF); @@ -948,21 +935,17 @@ static ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, ide_outb(device, ATA_LBA_HIGH, 0); #endif } -#endif ide_outb(device, ATA_SECT_CNT, 1); ide_outb(device, ATA_LBA_LOW, (blknr >> 0) & 0xFF); ide_outb(device, ATA_LBA_MID, (blknr >> 8) & 0xFF); ide_outb(device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
-#ifdef CONFIG_LBA48 - if (lba48) { + if (IS_ENABLED(CONFIG_LBA48) && lba48) { ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device)); ide_outb(device, ATA_COMMAND, ATA_CMD_PIO_WRITE_EXT);
- } else -#endif - { + } else { ide_outb(device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) | ((blknr >> 24) & 0xF)); ide_outb(device, ATA_COMMAND, ATA_CMD_PIO_WRITE); diff --git a/include/blk.h b/include/blk.h index 871922dcde07..2c9c7985a885 100644 --- a/include/blk.h +++ b/include/blk.h @@ -62,10 +62,8 @@ struct blk_desc { unsigned char hwpart; /* HW partition, e.g. for eMMC */ unsigned char type; /* device type */ unsigned char removable; /* removable device */ -#ifdef CONFIG_LBA48 /* device can use 48bit addr (ATA/ATAPI v7) */ - unsigned char lba48; -#endif + bool lba48; unsigned char atapi; /* Use ATAPI protocol */ lbaint_t lba; /* number of blocks */ unsigned long blksz; /* block size */