mirror of https://gitee.com/openkylin/linux.git
[PATCH] remove ISA legacy functions: drivers/scsi/in2000.c
switched to ioremap(), cleaned the probing up a bit. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1898,6 +1898,21 @@ static int int_tab[] in2000__INITDATA = {
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10
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10
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};
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};
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static int probe_bios(u32 addr, u32 *s1, uchar *switches)
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{
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void __iomem *p = ioremap(addr, 0x34);
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if (!p)
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return 0;
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*s1 = readl(p + 0x10);
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if (*s1 == 0x41564f4e || readl(p + 0x30) == 0x61776c41) {
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/* Read the switch image that's mapped into EPROM space */
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*switches = ~readb(p + 0x20);
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iounmap(p);
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return 1;
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}
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iounmap(p);
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return 0;
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}
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static int __init in2000_detect(struct scsi_host_template * tpnt)
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static int __init in2000_detect(struct scsi_host_template * tpnt)
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{
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{
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@ -1930,6 +1945,7 @@ static int __init in2000_detect(struct scsi_host_template * tpnt)
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detect_count = 0;
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detect_count = 0;
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for (bios = 0; bios_tab[bios]; bios++) {
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for (bios = 0; bios_tab[bios]; bios++) {
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u32 s1 = 0;
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if (check_setup_args("ioport", &val, buf)) {
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if (check_setup_args("ioport", &val, buf)) {
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base = val;
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base = val;
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switches = ~inb(base + IO_SWITCHES) & 0xff;
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switches = ~inb(base + IO_SWITCHES) & 0xff;
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@ -1941,13 +1957,9 @@ static int __init in2000_detect(struct scsi_host_template * tpnt)
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* for the obvious ID strings. We look for the 2 most common ones and
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* for the obvious ID strings. We look for the 2 most common ones and
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* hope that they cover all the cases...
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* hope that they cover all the cases...
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*/
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*/
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else if (isa_readl(bios_tab[bios] + 0x10) == 0x41564f4e || isa_readl(bios_tab[bios] + 0x30) == 0x61776c41) {
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else if (probe_bios(bios_tab[bios], &s1, &switches)) {
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printk("Found IN2000 BIOS at 0x%x ", (unsigned int) bios_tab[bios]);
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printk("Found IN2000 BIOS at 0x%x ", (unsigned int) bios_tab[bios]);
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/* Read the switch image that's mapped into EPROM space */
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switches = ~((isa_readb(bios_tab[bios] + 0x20) & 0xff));
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/* Find out where the IO space is */
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/* Find out where the IO space is */
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x = switches & (SW_ADDR0 | SW_ADDR1);
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x = switches & (SW_ADDR0 | SW_ADDR1);
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@ -2037,7 +2049,7 @@ static int __init in2000_detect(struct scsi_host_template * tpnt)
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/* Older BIOS's had a 'sync on/off' switch - use its setting */
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/* Older BIOS's had a 'sync on/off' switch - use its setting */
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if (isa_readl(bios_tab[bios] + 0x10) == 0x41564f4e && (switches & SW_SYNC_DOS5))
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if (s1 == 0x41564f4e && (switches & SW_SYNC_DOS5))
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hostdata->sync_off = 0x00; /* sync defaults to on */
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hostdata->sync_off = 0x00; /* sync defaults to on */
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else
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else
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hostdata->sync_off = 0xff; /* sync defaults to off */
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hostdata->sync_off = 0xff; /* sync defaults to off */
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