load_nandsim.sh: rename variable

Rename local variables - make them more descriptive and stop using capital
letters.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

diff --git a/load_nandsim.sh b/load_nandsim.sh
index 1df3813bc9c22574c44fd2a782576d6e65441111..4c3bb06f3bb74873d0c8a087d882f8311b8142da 100755 (executable)
--- a/load_nandsim.sh
+++ b/load_nandsim.sh
@@ -66,53 +66,53 @@ if [ "$#" -lt "1" ]; then
        exit 1
 fi
 
-SZ="$1"
-EBSZ="$2"
-PGSZ="$3"
+size="$1"
+eb_size="$2"
+page_size="$3"
 if [ "$#" = "1" ]; then
-       EBSZ="16"
-       PGSZ="512"
+       eb_size="16"
+       page_size="512"
 elif [ "$#" = "2" ]; then
-       PGSZ="512"
+       page_size="512"
 fi
 
-if [ "$PGSZ" -eq 512 ] && [ "$EBSZ" -ne "16" ]; then
+if [ "$page_size" -eq 512 ] && [ "$eb_size" -ne "16" ]; then
        fatal "only 16KiB eraseblocks are possible in case of 512 bytes page"
 fi
 
-if [ "$PGSZ" -eq "512" ]; then
-       case "$SZ" in
+if [ "$page_size" -eq "512" ]; then
+       case "$size" in
        16)  modprobe nandsim first_id_byte=0x20 second_id_byte=0x33 ;;
        32)  modprobe nandsim first_id_byte=0x20 second_id_byte=0x35 ;;
        64)  modprobe nandsim first_id_byte=0x20 second_id_byte=0x36 ;;
        128) modprobe nandsim first_id_byte=0x20 second_id_byte=0x78 ;;
        256) modprobe nandsim first_id_byte=0x20 second_id_byte=0x71 ;;
-       *) fatal "flash size ${SZ}MiB is not supported, try 16, 32, 64 or 256"
+       *) fatal "flash size ${size}MiB is not supported, try 16, 32, 64 or 256"
        esac
-elif [ "$PGSZ" -eq "2048" ]; then
-       case "$EBSZ" in
-       64)  FOURTH="0x05" ;;
-       128) FOURTH="0x15" ;;
-       256) FOURTH="0x25" ;;
-       512) FOURTH="0x35" ;;
-       *)   fatal "eraseblock ${EBSZ}KiB is not supported"
+elif [ "$page_size" -eq "2048" ]; then
+       case "$eb_size" in
+       64)  fourh_bite="0x05" ;;
+       128) fourh_bite="0x15" ;;
+       256) fourh_bite="0x25" ;;
+       512) fourh_bite="0x35" ;;
+       *)   fatal "eraseblock ${eb_size}KiB is not supported"
        esac
 
-       case "$SZ" in
-       64)  modprobe nandsim first_id_byte=0x20 second_id_byte=0xa2 third_id_byte=0x00 fourth_id_byte="$FOURTH" ;;
-       128) modprobe nandsim first_id_byte=0xec second_id_byte=0xa1 third_id_byte=0x00 fourth_id_byte="$FOURTH" ;;
-       256) modprobe nandsim first_id_byte=0x20 second_id_byte=0xaa third_id_byte=0x00 fourth_id_byte="$FOURTH" ;;
-       512) modprobe nandsim first_id_byte=0x20 second_id_byte=0xac third_id_byte=0x00 fourth_id_byte="$FOURTH" ;;
-       1024) modprobe nandsim first_id_byte=0xec second_id_byte=0xd3 third_id_byte=0x51 fourth_id_byte="$FOURTH" ;;
-       *) fatal "unable to emulate ${SZ}MiB flash with ${EBSZ}KiB eraseblock"
+       case "$size" in
+       64)   modprobe nandsim first_id_byte=0x20 second_id_byte=0xa2 third_id_byte=0x00 fourth_id_byte="$fourh_bite" ;;
+       128)  modprobe nandsim first_id_byte=0xec second_id_byte=0xa1 third_id_byte=0x00 fourth_id_byte="$fourh_bite" ;;
+       256)  modprobe nandsim first_id_byte=0x20 second_id_byte=0xaa third_id_byte=0x00 fourth_id_byte="$fourh_bite" ;;
+       512)  modprobe nandsim first_id_byte=0x20 second_id_byte=0xac third_id_byte=0x00 fourth_id_byte="$fourh_bite" ;;
+       1024) modprobe nandsim first_id_byte=0xec second_id_byte=0xd3 third_id_byte=0x51 fourth_id_byte="$fourh_bite" ;;
+       *) fatal "unable to emulate ${size}MiB flash with ${eb_size}KiB eraseblock"
        esac
 else
-       fatal "bad NAND page size ${PGSZ}KiB, it has to be either 512 or 2048"
+       fatal "bad NAND page size ${page_size}KiB, it has to be either 512 or 2048"
 fi
 
 if [ "$?" != "0" ]; then
        fatal "Error: cannot load nandsim"
 fi
 
-echo "Loaded NAND simulator (${SZ}MiB, ${EBSZ}KiB eraseblock, $PGSZ bytes NAND page)"
+echo "Loaded NAND simulator (${size}MiB, ${eb_size}KiB eraseblock, $page_size bytes NAND page)"
 exit 0