tools: kwboot: Always call kwboot_img_patch_hdr()

The kwboot_img_patch_hdr() function already decides if header patching
is needed. Always call this function and deprecate the unneeded command
line option `-p`.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/tools/kwboot.c b/tools/kwboot.c
index ad91afd075679e3c18207496d94c4e2042fa7cf6..9394a51380f55a040bb5066ac4be21bad409101d 100644 (file)
--- a/tools/kwboot.c
+++ b/tools/kwboot.c
@@ -709,9 +709,9 @@ out:
 }
 
 static void *
-kwboot_mmap_image(const char *path, size_t *size, int prot)
+kwboot_mmap_image(const char *path, size_t *size)
 {
-       int rc, fd, flags;
+       int rc, fd;
        struct stat st;
        void *img;
 
@@ -726,9 +726,7 @@ kwboot_mmap_image(const char *path, size_t *size, int prot)
        if (rc)
                goto out;
 
-       flags = (prot & PROT_WRITE) ? MAP_PRIVATE : MAP_SHARED;
-
-       img = mmap(NULL, st.st_size, prot, flags, fd, 0);
+       img = mmap(NULL, st.st_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
        if (img == MAP_FAILED) {
                img = NULL;
                goto out;
@@ -833,7 +831,6 @@ kwboot_usage(FILE *stream, char *progname)
        fprintf(stream, "\n");
        fprintf(stream,
                "  -b <image>: boot <image> with preamble (Kirkwood, Armada 370/XP)\n");
-       fprintf(stream, "  -p: patch <image> to type 0x69 (uart boot)\n");
        fprintf(stream,
                "  -D <image>: boot <image> without preamble (Dove)\n");
        fprintf(stream, "  -d: enter debug mode\n");
@@ -853,7 +850,7 @@ int
 main(int argc, char **argv)
 {
        const char *ttypath, *imgpath;
-       int rv, rc, tty, term, prot, patch;
+       int rv, rc, tty, term;
        void *bootmsg;
        void *debugmsg;
        void *img;
@@ -867,7 +864,6 @@ main(int argc, char **argv)
        imgpath = NULL;
        img = NULL;
        term = 0;
-       patch = 0;
        size = 0;
        speed = B115200;
 
@@ -894,7 +890,7 @@ main(int argc, char **argv)
                        break;
 
                case 'p':
-                       patch = 1;
+                       /* nop, for backward compatibility */
                        break;
 
                case 't':
@@ -934,9 +930,6 @@ main(int argc, char **argv)
        if (!bootmsg && !term && !debugmsg)
                goto usage;
 
-       if (patch && !imgpath)
-               goto usage;
-
        if (argc - optind < 1)
                goto usage;
 
@@ -949,16 +942,12 @@ main(int argc, char **argv)
        }
 
        if (imgpath) {
-               prot = PROT_READ | (patch ? PROT_WRITE : 0);
-
-               img = kwboot_mmap_image(imgpath, &size, prot);
+               img = kwboot_mmap_image(imgpath, &size);
                if (!img) {
                        perror(imgpath);
                        goto out;
                }
-       }
 
-       if (patch) {
                rc = kwboot_img_patch_hdr(img, size);
                if (rc) {
                        fprintf(stderr, "%s: Invalid image.\n", imgpath);