Commit efa3db1b authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

scc_pata: add ->{in,out}put_data methods (take 2) 



v2:

* Update ->{in,out}_data methods to take 'struct request *rq' argument
  (thanks to Stephen Rothwell for catching it).

There should be no functional changes caused by this patch.

Cc: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Cc: Akira Iguchi <akira2.iguchi@toshiba.co.jp>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 9567b349

drivers/ide/pci/scc_pata.c

+35 −0
Original line number Diff line number Diff line
@@ -618,6 +618,38 @@ static int __devinit init_setup_scc(struct pci_dev *dev, 
	return rc;

}



static void scc_input_data(ide_drive_t *drive, struct request *rq,

			   void *buf, unsigned int len)

{

	unsigned long data_addr = drive->hwif->io_ports.data_addr;



	len++;



	if (drive->io_32bit) {

		scc_ide_insl(data_addr, buf, len / 4);



		if ((len & 3) >= 2)

			scc_ide_insw(data_addr, (u8 *)buf + (len & ~3), 1);

	} else

		scc_ide_insw(data_addr, buf, len / 2);

}



static void scc_output_data(ide_drive_t *drive,  struct request *rq,

			    void *buf, unsigned int len)

{

	unsigned long data_addr = drive->hwif->io_ports.data_addr;



	len++;



	if (drive->io_32bit) {

		scc_ide_outsl(data_addr, buf, len / 4);



		if ((len & 3) >= 2)

			scc_ide_outsw(data_addr, (u8 *)buf + (len & ~3), 1);

	} else

		scc_ide_outsw(data_addr, buf, len / 2);

}



/**

 *	init_mmio_iops_scc	-	set up the iops for MMIO

 *	@hwif: interface to set up
@@ -632,6 +664,9 @@ static void __devinit init_mmio_iops_scc(ide_hwif_t *hwif) 


	ide_set_hwifdata(hwif, ports);



	hwif->input_data  = scc_input_data;

	hwif->output_data = scc_output_data;



	hwif->INB = scc_ide_inb;

	hwif->INW = scc_ide_inw;

	hwif->INSW = scc_ide_insw;

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