Commit 175f354b authored by Paolo Ciarrocchi's avatar Paolo Ciarrocchi Committed by Bartlomiej Zolnierkiewicz
Browse files

IDE: Coding Style fixes to drivers/ide/pci/cy82c693.c



Before:
total: 34 errors, 14 warnings, 456 lines checked

After:
total: 0 errors, 8 warnings, 456 lines checked

[bart: md5sum checked]
Signed-off-by: default avatarPaolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent a2826190
......@@ -6,7 +6,7 @@
*
* The CY82C693 chipset is used on Digital's PC-Alpha 164SX boards.
* Writing the driver was quite simple, since most of the job is
* done by the generic pci-ide support.
* done by the generic pci-ide support.
* The hard part was finding the CY82C693's datasheet on Cypress's
* web page :-(. But Altavista solved this problem :-).
*
......@@ -15,12 +15,12 @@
* - I recently got a 16.8G IBM DTTA, so I was able to test it with
* a large and fast disk - the results look great, so I'd say the
* driver is working fine :-)
* hdparm -t reports 8.17 MB/sec at about 6% CPU usage for the DTTA
* - this is my first linux driver, so there's probably a lot of room
* hdparm -t reports 8.17 MB/sec at about 6% CPU usage for the DTTA
* - this is my first linux driver, so there's probably a lot of room
* for optimizations and bug fixing, so feel free to do it.
* - use idebus=xx parameter to set PCI bus speed - needed to calc
* timings for PIO modes (default will be 40)
* - if using PIO mode it's a good idea to set the PIO mode and
* - if using PIO mode it's a good idea to set the PIO mode and
* 32-bit I/O support (if possible), e.g. hdparm -p2 -c1 /dev/hda
* - I had some problems with my IBM DHEA with PIO modes < 2
* (lost interrupts) ?????
......@@ -110,11 +110,11 @@ typedef struct pio_clocks_s {
* calc clocks using bus_speed
* returns (rounded up) time in bus clocks for time in ns
*/
static int calc_clk (int time, int bus_speed)
static int calc_clk(int time, int bus_speed)
{
int clocks;
clocks = (time*bus_speed+999)/1000 -1;
clocks = (time*bus_speed+999)/1000 - 1;
if (clocks < 0)
clocks = 0;
......@@ -132,8 +132,8 @@ static int calc_clk (int time, int bus_speed)
* NOTE: for mode 0,1 and 2 drives 8-bit IDE command control registers are used
* for mode 3 and 4 drives 8 and 16-bit timings are the same
*
*/
static void compute_clocks (u8 pio, pio_clocks_t *p_pclk)
*/
static void compute_clocks(u8 pio, pio_clocks_t *p_pclk)
{
int clk1, clk2;
int bus_speed = system_bus_clock(); /* get speed of PCI bus */
......@@ -158,7 +158,7 @@ static void compute_clocks (u8 pio, pio_clocks_t *p_pclk)
clk1 = (clk1<<4)|clk2; /* combine active and recovery clocks */
/* note: we use the same values for 16bit IOR and IOW
* those are all the same, since I don't have other
* those are all the same, since I don't have other
* timings than those from ide-lib.c
*/
......@@ -186,7 +186,7 @@ static void cy82c693_set_dma_mode(ide_drive_t *drive, const u8 mode)
outb(index, CY82_INDEX_PORT);
data = inb(CY82_DATA_PORT);
printk (KERN_INFO "%s (ch=%d, dev=%d): DMA mode is %d (single=%d)\n",
printk(KERN_INFO "%s (ch=%d, dev=%d): DMA mode is %d (single=%d)\n",
drive->name, HWIF(drive)->channel, drive->select.b.unit,
(data&0x3), ((data>>2)&1));
#endif /* CY82C693_DEBUG_LOGS */
......@@ -202,7 +202,7 @@ static void cy82c693_set_dma_mode(ide_drive_t *drive, const u8 mode)
mode & 3, single);
#endif /* CY82C693_DEBUG_INFO */
/*
/*
* note: below we set the value for Bus Master IDE TimeOut Register
* I'm not absolutly sure what this does, but it solved my problem
* with IDE DMA and sound, so I now can play sound and work with
......@@ -216,8 +216,8 @@ static void cy82c693_set_dma_mode(ide_drive_t *drive, const u8 mode)
outb(CY82_INDEX_TIMEOUT, CY82_INDEX_PORT);
outb(data, CY82_DATA_PORT);
#if CY82C693_DEBUG_INFO
printk (KERN_INFO "%s: Set IDE Bus Master TimeOut Register to 0x%X\n",
#if CY82C693_DEBUG_INFO
printk(KERN_INFO "%s: Set IDE Bus Master TimeOut Register to 0x%X\n",
drive->name, data);
#endif /* CY82C693_DEBUG_INFO */
}
......@@ -242,14 +242,14 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
#if CY82C693_DEBUG_LOGS
/* for debug let's show the register values */
if (drive->select.b.unit == 0) {
if (drive->select.b.unit == 0) {
/*
* get master drive registers
* get master drive registers
* address setup control register
* is 32 bit !!!
*/
pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
*/
pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
addrCtrl &= 0x0F;
/* now let's get the remaining registers */
......@@ -261,7 +261,7 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
* set slave drive registers
* address setup control register
* is 32 bit !!!
*/
*/
pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
addrCtrl &= 0xF0;
......@@ -288,9 +288,9 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
* set master drive
* address setup control register
* is 32 bit !!!
*/
*/
pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
addrCtrl &= (~0xF);
addrCtrl |= (unsigned int)pclk.address_time;
pci_write_config_dword(dev, CY82_IDE_ADDRSETUP, addrCtrl);
......@@ -299,14 +299,14 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
pci_write_config_byte(dev, CY82_IDE_MASTER_IOR, pclk.time_16r);
pci_write_config_byte(dev, CY82_IDE_MASTER_IOW, pclk.time_16w);
pci_write_config_byte(dev, CY82_IDE_MASTER_8BIT, pclk.time_8);
addrCtrl &= 0xF;
} else {
/*
* set slave drive
* address setup control register
* is 32 bit !!!
*/
*/
pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
addrCtrl &= (~0xF0);
......@@ -320,7 +320,7 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
addrCtrl >>= 4;
addrCtrl &= 0xF;
}
}
#if CY82C693_DEBUG_INFO
printk(KERN_INFO "%s (ch=%d, dev=%d): set PIO timing to "
......@@ -340,41 +340,41 @@ static unsigned int __devinit init_chipset_cy82c693(struct pci_dev *dev, const c
#ifdef CY82C693_SETDMA_CLOCK
u8 data = 0;
#endif /* CY82C693_SETDMA_CLOCK */
#endif /* CY82C693_SETDMA_CLOCK */
/* write info about this verion of the driver */
printk(KERN_INFO CY82_VERSION "\n");
#ifdef CY82C693_SETDMA_CLOCK
/* okay let's set the DMA clock speed */
outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT);
data = inb(CY82_DATA_PORT);
outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT);
data = inb(CY82_DATA_PORT);
#if CY82C693_DEBUG_INFO
printk(KERN_INFO "%s: Peripheral Configuration Register: 0x%X\n",
name, data);
#endif /* CY82C693_DEBUG_INFO */
/*
/*
* for some reason sometimes the DMA controller
* speed is set to ATCLK/2 ???? - we fix this here
*
*
* note: i don't know what causes this strange behaviour,
* but even changing the dma speed doesn't solve it :-(
* the ide performance is still only half the normal speed
*
* the ide performance is still only half the normal speed
*
* if anybody knows what goes wrong with my machine, please
* let me know - ASK
*/
*/
data |= 0x03;
outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT);
outb(data, CY82_DATA_PORT);
outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT);
outb(data, CY82_DATA_PORT);
#if CY82C693_DEBUG_INFO
printk (KERN_INFO "%s: New Peripheral Configuration Register: 0x%X\n",
printk(KERN_INFO "%s: New Peripheral Configuration Register: 0x%X\n",
name, data);
#endif /* CY82C693_DEBUG_INFO */
......@@ -423,7 +423,7 @@ static int __devinit cy82c693_init_one(struct pci_dev *dev, const struct pci_dev
/* CY82C693 is more than only a IDE controller.
Function 1 is primary IDE channel, function 2 - secondary. */
if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE &&
if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE &&
PCI_FUNC(dev->devfn) == 1) {
dev2 = pci_get_slot(dev->bus, dev->devfn + 1);
ret = ide_setup_pci_devices(dev, dev2, &cy82c693_chipset);
......
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