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authorChristoph Hellwig <hch@lst.de>2023-05-31 14:55:16 +0200
committerJens Axboe <axboe@kernel.dk>2023-06-05 18:55:20 +0200
commitf5524c3fadba35c075a5131bad74e3041507a694 (patch)
tree918a602bcbf6841a66bbaa6e524e42aece4c8827
parentPM: hibernate: move finding the resume device out of software_resume (diff)
downloadlinux-f5524c3fadba35c075a5131bad74e3041507a694.tar.xz
linux-f5524c3fadba35c075a5131bad74e3041507a694.zip
init: remove pointless Root_* values
Remove all unused defines, and just use the expanded versions for the SCSI disk majors. I've decided to keep Root_RAM0 even if it could be expanded as there is a lot of special casing for it in the init code. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20230531125535.676098-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--arch/alpha/kernel/setup.c2
-rw-r--r--arch/ia64/kernel/setup.c2
-rw-r--r--arch/powerpc/platforms/powermac/setup.c3
-rw-r--r--include/linux/root_dev.h8
4 files changed, 4 insertions, 11 deletions
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index 33bf3a627002..b650ff1cb022 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -658,7 +658,7 @@ setup_arch(char **cmdline_p)
#endif
/* Default root filesystem to sda2. */
- ROOT_DEV = Root_SDA2;
+ ROOT_DEV = MKDEV(SCSI_DISK0_MAJOR, 2);
#ifdef CONFIG_EISA
/* FIXME: only set this when we actually have EISA in this box? */
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index c05728044272..becdb4f33c21 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -627,7 +627,7 @@ setup_arch (char **cmdline_p)
* is physical disk 1 partition 1 and the Linux root disk is
* physical disk 1 partition 2.
*/
- ROOT_DEV = Root_SDA2; /* default to second partition on first drive */
+ ROOT_DEV = MKDEV(SCSI_DISK0_MAJOR, 2);
if (is_uv_system())
uv_setup(cmdline_p);
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 193cc9c39422..0c41f4b005bc 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -76,7 +76,8 @@ int pmac_newworld;
static int current_root_goodness = -1;
-#define DEFAULT_ROOT_DEVICE Root_SDA1 /* sda1 - slightly silly choice */
+/* sda1 - slightly silly choice */
+#define DEFAULT_ROOT_DEVICE MKDEV(SCSI_DISK0_MAJOR, 1)
sys_ctrler_t sys_ctrler = SYS_CTRLER_UNKNOWN;
EXPORT_SYMBOL(sys_ctrler);
diff --git a/include/linux/root_dev.h b/include/linux/root_dev.h
index 4e78651371ba..ed3ea8da6429 100644
--- a/include/linux/root_dev.h
+++ b/include/linux/root_dev.h
@@ -10,14 +10,6 @@ enum {
Root_NFS = MKDEV(UNNAMED_MAJOR, 255),
Root_CIFS = MKDEV(UNNAMED_MAJOR, 254),
Root_RAM0 = MKDEV(RAMDISK_MAJOR, 0),
- Root_RAM1 = MKDEV(RAMDISK_MAJOR, 1),
- Root_FD0 = MKDEV(FLOPPY_MAJOR, 0),
- Root_HDA1 = MKDEV(IDE0_MAJOR, 1),
- Root_HDA2 = MKDEV(IDE0_MAJOR, 2),
- Root_SDA1 = MKDEV(SCSI_DISK0_MAJOR, 1),
- Root_SDA2 = MKDEV(SCSI_DISK0_MAJOR, 2),
- Root_HDC1 = MKDEV(IDE1_MAJOR, 1),
- Root_SR0 = MKDEV(SCSI_CDROM_MAJOR, 0),
};
extern dev_t ROOT_DEV;