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Commit 51eb9ab9 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev 

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  pata_it821x: Update RDC UDMA handling
  ata: fix wrong WARN_ON_ONCE
parents 288e4877 4a99d95f

drivers/ata/libata-sff.c

+6 −3
Original line number Diff line number Diff line
@@ -1013,9 +1013,12 @@ static int __atapi_pio_bytes(struct ata_queued_cmd *qc, unsigned int bytes) 
		qc->cursg_ofs = 0;

	}



	/* consumed can be larger than count only for the last transfer */

	WARN_ON_ONCE(qc->cursg && count != consumed);



	/*

	 * There used to be a  WARN_ON_ONCE(qc->cursg && count != consumed);

	 * Unfortunately __atapi_pio_bytes doesn't know enough to do the WARN

	 * check correctly as it doesn't know if it is the last request being

	 * made. Somebody should implement a proper sanity check.

	 */

	if (bytes)

		goto next_sg;

	return 0;

drivers/ata/pata_it821x.c

+13 −4
Original line number Diff line number Diff line
@@ -80,7 +80,7 @@ 




#define DRV_NAME "pata_it821x"

#define DRV_VERSION "0.4.0"

#define DRV_VERSION "0.4.2"



struct it821x_dev

{
@@ -494,8 +494,6 @@ static int it821x_smart_set_mode(struct ata_link *link, struct ata_device **unus 
 *	special. In our case we need to lock the sector count to avoid

 *	blowing the brains out of the firmware with large LBA48 requests

 *

 *	FIXME: When FUA appears we need to block FUA too. And SMART and

 *	basically we need to filter commands for this chip.

 */



static void it821x_dev_config(struct ata_device *adev)
@@ -887,6 +885,13 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 
		.port_ops = &it821x_passthru_port_ops

	};

	static const struct ata_port_info info_rdc = {

		.flags = ATA_FLAG_SLAVE_POSS,

		.pio_mask = 0x1f,

		.mwdma_mask = 0x07,

		.udma_mask = ATA_UDMA6,

		.port_ops = &it821x_rdc_port_ops

	};

	static const struct ata_port_info info_rdc_11 = {

		.flags = ATA_FLAG_SLAVE_POSS,

		.pio_mask = 0x1f,

		.mwdma_mask = 0x07,
@@ -903,6 +908,10 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 
		return rc;

		

	if (pdev->vendor == PCI_VENDOR_ID_RDC) {

		/* Deal with Vortex86SX */

		if (pdev->revision == 0x11)

			ppi[0] = &info_rdc_11;

		else

			ppi[0] = &info_rdc;

	} else {

		/* Force the card into bypass mode if so requested */