From: Bartlomiej Zolnierkiewicz Date: Tue, 16 Oct 2007 20:29:58 +0000 (+0200) Subject: sis5513: remove /proc/ide/sis X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a718122ce82ffd6628a158ebf76ab5970bccd415;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git sis5513: remove /proc/ide/sis This belongs to user-space (and only if really needed). text data bss dec hex filename 7129 404 8 7541 1d75 drivers/ide/pci/sis5513.o.before 3916 404 1 4321 10e1 drivers/ide/pci/sis5513.o.after Additionaly to being bloat the code contained two bugs: - wrong cable bit was checked (0x0001 instead of 0x8000) on ATA_133 chipsets - incorrect UDMA cycle time was reported on ATA_100a/ATA_133 chipsets Signed-off-by: Bartlomiej Zolnierkiewicz --- diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c index d758865f06be..5a54e2e20b3c 100644 --- a/drivers/ide/pci/sis5513.c +++ b/drivers/ide/pci/sis5513.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/sis5513.c Version 0.30 Aug 9, 2007 + * linux/drivers/ide/pci/sis5513.c Version 0.31 Aug 9, 2007 * * Copyright (C) 1999-2000 Andre Hedrick * Copyright (C) 2002 Lionel Bouton , Maintainer @@ -65,8 +65,6 @@ #include "ide-timing.h" -#define DISPLAY_SIS_TIMINGS - /* registers layout and init values are chipset family dependant */ #define ATA_16 0x01 @@ -193,243 +191,6 @@ static char* chipset_capability[] = { "ATA 133 (1st gen)", "ATA 133 (2nd gen)" }; -#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS) -#include -#include - -static u8 sis_proc = 0; - -static struct pci_dev *bmide_dev; - -static char* cable_type[] = { - "80 pins", - "40 pins" -}; - -static char* recovery_time[] ={ - "12 PCICLK", "1 PCICLK", - "2 PCICLK", "3 PCICLK", - "4 PCICLK", "5 PCICLCK", - "6 PCICLK", "7 PCICLCK", - "8 PCICLK", "9 PCICLCK", - "10 PCICLK", "11 PCICLK", - "13 PCICLK", "14 PCICLK", - "15 PCICLK", "15 PCICLK" -}; - -static char* active_time[] = { - "8 PCICLK", "1 PCICLCK", - "2 PCICLK", "3 PCICLK", - "4 PCICLK", "5 PCICLK", - "6 PCICLK", "12 PCICLK" -}; - -static char* cycle_time[] = { - "Reserved", "2 CLK", - "3 CLK", "4 CLK", - "5 CLK", "6 CLK", - "7 CLK", "8 CLK", - "9 CLK", "10 CLK", - "11 CLK", "12 CLK", - "13 CLK", "14 CLK", - "15 CLK", "16 CLK" -}; - -/* Generic add master or slave info function */ -static char* get_drives_info (char *buffer, u8 pos) -{ - u8 reg00, reg01, reg10, reg11; /* timing registers */ - u32 regdw0, regdw1; - char* p = buffer; - -/* Postwrite/Prefetch */ - if (chipset_family < ATA_133) { - pci_read_config_byte(bmide_dev, 0x4b, ®00); - p += sprintf(p, "Drive %d: Postwrite %s \t \t Postwrite %s\n", - pos, (reg00 & (0x10 << pos)) ? "Enabled" : "Disabled", - (reg00 & (0x40 << pos)) ? "Enabled" : "Disabled"); - p += sprintf(p, " Prefetch %s \t \t Prefetch %s\n", - (reg00 & (0x01 << pos)) ? "Enabled" : "Disabled", - (reg00 & (0x04 << pos)) ? "Enabled" : "Disabled"); - pci_read_config_byte(bmide_dev, 0x40+2*pos, ®00); - pci_read_config_byte(bmide_dev, 0x41+2*pos, ®01); - pci_read_config_byte(bmide_dev, 0x44+2*pos, ®10); - pci_read_config_byte(bmide_dev, 0x45+2*pos, ®11); - } else { - u32 reg54h; - u8 drive_pci = 0x40; - pci_read_config_dword(bmide_dev, 0x54, ®54h); - if (reg54h & 0x40000000) { - // Configuration space remapped to 0x70 - drive_pci = 0x70; - } - pci_read_config_dword(bmide_dev, (unsigned long)drive_pci+4*pos, ®dw0); - pci_read_config_dword(bmide_dev, (unsigned long)drive_pci+4*pos+8, ®dw1); - - p += sprintf(p, "Drive %d:\n", pos); - } - - -/* UDMA */ - if (chipset_family >= ATA_133) { - p += sprintf(p, " UDMA %s \t \t \t UDMA %s\n", - (regdw0 & 0x04) ? "Enabled" : "Disabled", - (regdw1 & 0x04) ? "Enabled" : "Disabled"); - p += sprintf(p, " UDMA Cycle Time %s \t UDMA Cycle Time %s\n", - cycle_time[(regdw0 & 0xF0) >> 4], - cycle_time[(regdw1 & 0xF0) >> 4]); - } else if (chipset_family >= ATA_33) { - p += sprintf(p, " UDMA %s \t \t \t UDMA %s\n", - (reg01 & 0x80) ? "Enabled" : "Disabled", - (reg11 & 0x80) ? "Enabled" : "Disabled"); - - p += sprintf(p, " UDMA Cycle Time "); - switch(chipset_family) { - case ATA_33: p += sprintf(p, cycle_time[(reg01 & 0x60) >> 5]); break; - case ATA_66: - case ATA_100a: p += sprintf(p, cycle_time[(reg01 & 0x70) >> 4]); break; - case ATA_100: - case ATA_133a: p += sprintf(p, cycle_time[reg01 & 0x0F]); break; - default: p += sprintf(p, "?"); break; - } - p += sprintf(p, " \t UDMA Cycle Time "); - switch(chipset_family) { - case ATA_33: p += sprintf(p, cycle_time[(reg11 & 0x60) >> 5]); break; - case ATA_66: - case ATA_100a: p += sprintf(p, cycle_time[(reg11 & 0x70) >> 4]); break; - case ATA_100: - case ATA_133a: p += sprintf(p, cycle_time[reg11 & 0x0F]); break; - default: p += sprintf(p, "?"); break; - } - p += sprintf(p, "\n"); - } - - - if (chipset_family < ATA_133) { /* else case TODO */ - -/* Data Active */ - p += sprintf(p, " Data Active Time "); - switch(chipset_family) { - case ATA_16: /* confirmed */ - case ATA_33: - case ATA_66: - case ATA_100a: p += sprintf(p, active_time[reg01 & 0x07]); break; - case ATA_100: - case ATA_133a: p += sprintf(p, active_time[(reg00 & 0x70) >> 4]); break; - default: p += sprintf(p, "?"); break; - } - p += sprintf(p, " \t Data Active Time "); - switch(chipset_family) { - case ATA_16: - case ATA_33: - case ATA_66: - case ATA_100a: p += sprintf(p, active_time[reg11 & 0x07]); break; - case ATA_100: - case ATA_133a: p += sprintf(p, active_time[(reg10 & 0x70) >> 4]); break; - default: p += sprintf(p, "?"); break; - } - p += sprintf(p, "\n"); - -/* Data Recovery */ - /* warning: may need (reg&0x07) for pre ATA66 chips */ - p += sprintf(p, " Data Recovery Time %s \t Data Recovery Time %s\n", - recovery_time[reg00 & 0x0f], recovery_time[reg10 & 0x0f]); - } - - return p; -} - -static char* get_masters_info(char* buffer) -{ - return get_drives_info(buffer, 0); -} - -static char* get_slaves_info(char* buffer) -{ - return get_drives_info(buffer, 1); -} - -/* Main get_info, called on /proc/ide/sis reads */ -static int sis_get_info (char *buffer, char **addr, off_t offset, int count) -{ - char *p = buffer; - int len; - u8 reg; - u16 reg2, reg3; - - p += sprintf(p, "\nSiS 5513 "); - switch(chipset_family) { - case ATA_16: p += sprintf(p, "DMA 16"); break; - case ATA_33: p += sprintf(p, "Ultra 33"); break; - case ATA_66: p += sprintf(p, "Ultra 66"); break; - case ATA_100a: - case ATA_100: p += sprintf(p, "Ultra 100"); break; - case ATA_133a: - case ATA_133: p += sprintf(p, "Ultra 133"); break; - default: p+= sprintf(p, "Unknown???"); break; - } - p += sprintf(p, " chipset\n"); - p += sprintf(p, "--------------- Primary Channel " - "---------------- Secondary Channel " - "-------------\n"); - -/* Status */ - pci_read_config_byte(bmide_dev, 0x4a, ®); - if (chipset_family == ATA_133) { - pci_read_config_word(bmide_dev, 0x50, ®2); - pci_read_config_word(bmide_dev, 0x52, ®3); - } - p += sprintf(p, "Channel Status: "); - if (chipset_family < ATA_66) { - p += sprintf(p, "%s \t \t \t \t %s\n", - (reg & 0x04) ? "On" : "Off", - (reg & 0x02) ? "On" : "Off"); - } else if (chipset_family < ATA_133) { - p += sprintf(p, "%s \t \t \t \t %s \n", - (reg & 0x02) ? "On" : "Off", - (reg & 0x04) ? "On" : "Off"); - } else { /* ATA_133 */ - p += sprintf(p, "%s \t \t \t \t %s \n", - (reg2 & 0x02) ? "On" : "Off", - (reg3 & 0x02) ? "On" : "Off"); - } - -/* Operation Mode */ - pci_read_config_byte(bmide_dev, 0x09, ®); - p += sprintf(p, "Operation Mode: %s \t \t \t %s \n", - (reg & 0x01) ? "Native" : "Compatible", - (reg & 0x04) ? "Native" : "Compatible"); - -/* 80-pin cable ? */ - if (chipset_family >= ATA_133) { - p += sprintf(p, "Cable Type: %s \t \t \t %s\n", - (reg2 & 0x01) ? cable_type[1] : cable_type[0], - (reg3 & 0x01) ? cable_type[1] : cable_type[0]); - } else if (chipset_family > ATA_33) { - pci_read_config_byte(bmide_dev, 0x48, ®); - p += sprintf(p, "Cable Type: %s \t \t \t %s\n", - (reg & 0x10) ? cable_type[1] : cable_type[0], - (reg & 0x20) ? cable_type[1] : cable_type[0]); - } - -/* Prefetch Count */ - if (chipset_family < ATA_133) { - pci_read_config_word(bmide_dev, 0x4c, ®2); - pci_read_config_word(bmide_dev, 0x4e, ®3); - p += sprintf(p, "Prefetch Count: %d \t \t \t \t %d\n", - reg2, reg3); - } - - p = get_masters_info(p); - p = get_slaves_info(p); - - len = (p - buffer) - offset; - *addr = buffer + offset; - - return len > count ? count : len; -} -#endif /* defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */ - /* * Configuration functions */ @@ -751,14 +512,6 @@ static unsigned int __devinit init_chipset_sis5513 (struct pci_dev *dev, const c } break; } - -#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS) - if (!sis_proc) { - sis_proc = 1; - bmide_dev = dev; - ide_pci_create_host_proc("sis", sis_get_info); - } -#endif } return 0;