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Date: Fri, 9 Mar 2007 22:24:42 +0100
From: "Fabio Comolli" <fabio.comolli@...il.com>
To: "Jeff Garzik" <jeff@...zik.org>
Cc: "Andrew Morton" <akpm@...ux-foundation.org>,
"Linus Torvalds" <torvalds@...ux-foundation.org>,
linux-ide@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
"Greg KH" <greg@...ah.com>
Subject: Re: [git patches] libata (and devres) fixes
Hi.
This update gives a new warning:
libata version 2.20 loaded.
ata_piix 0000:00:1f.1: version 2.10ac1
ata1: PATA max UDMA/100 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x000118c0 irq 14
ata2: PATA max UDMA/100 cmd 0x00010170 ctl 0x00010376 bmdma 0x000118c8 irq 15
scsi0 : ata_piix
ata1.00: ATA-6: TOSHIBA MK8025GAS, KA024A, max UDMA/100
ata1.00: 156301488 sectors, multi 16: LBA
ata1.01: ATAPI, max MWDMA2
ata1.00: configured for UDMA/33
ata1.01: configured for MWDMA2
scsi1 : ata_piix
ata2: port disabled. ignoring.
ata2: reset failed, giving up <--- THIS IS NEW.
However, I think it's just bogus as there is ata2 is disabled on this laptop.
Regards,
Fabio
On 3/9/07, Jeff Garzik <jeff@...zik.org> wrote:
>
> Please pull from 'upstream-linus' branch of
> master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus
>
> to receive the following updates:
>
> drivers/ata/ata_piix.c | 11 +++--------
> drivers/ata/libata-core.c | 19 ++++++++++++-------
> drivers/ata/sata_nv.c | 8 +++++++-
> drivers/base/core.c | 7 +++++++
> 4 files changed, 29 insertions(+), 16 deletions(-)
>
> Alan Cox (1):
> ata_piix: Remove ugly layering violation
>
> Petr Vandrovec (1):
> Fix simplex adapters with libata
>
> Robert Hancock (1):
> sata_nv: revert use of notifiers for now
>
> Tejun Heo (2):
> libata: fix ata_host_release() free order
> devres: release resources on device_del()
>
> diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
> index dc42ba1..b952c58 100644
> --- a/drivers/ata/ata_piix.c
> +++ b/drivers/ata/ata_piix.c
> @@ -93,7 +93,7 @@
> #include <linux/libata.h>
>
> #define DRV_NAME "ata_piix"
> -#define DRV_VERSION "2.10"
> +#define DRV_VERSION "2.10ac1"
>
> enum {
> PIIX_IOCFG = 0x54, /* IDE I/O configuration register */
> @@ -667,14 +667,9 @@ static int ich_pata_prereset(struct ata_port *ap)
> {
> struct pci_dev *pdev = to_pci_dev(ap->host->dev);
>
> - if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no])) {
> - ata_port_printk(ap, KERN_INFO, "port disabled. ignoring.\n");
> - ap->eh_context.i.action &= ~ATA_EH_RESET_MASK;
> - return 0;
> - }
> -
> + if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no]))
> + return -ENOENT;
> ich_pata_cbl_detect(ap);
> -
> return ata_std_prereset(ap);
> }
>
> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> index dc362fa..3c1f883 100644
> --- a/drivers/ata/libata-core.c
> +++ b/drivers/ata/libata-core.c
> @@ -3455,7 +3455,8 @@ static void ata_dev_xfermask(struct ata_device *dev)
> "device is on DMA blacklist, disabling DMA\n");
> }
>
> - if ((host->flags & ATA_HOST_SIMPLEX) && host->simplex_claimed != ap) {
> + if ((host->flags & ATA_HOST_SIMPLEX) &&
> + host->simplex_claimed && host->simplex_claimed != ap) {
> xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
> ata_dev_printk(dev, KERN_WARNING, "simplex DMA is claimed by "
> "other device, disabling DMA\n");
> @@ -5684,18 +5685,22 @@ static void ata_host_release(struct device *gendev, void *res)
> for (i = 0; i < host->n_ports; i++) {
> struct ata_port *ap = host->ports[i];
>
> - if (!ap)
> - continue;
> -
> - if (ap->ops->port_stop)
> + if (ap && ap->ops->port_stop)
> ap->ops->port_stop(ap);
> -
> - scsi_host_put(ap->scsi_host);
> }
>
> if (host->ops->host_stop)
> host->ops->host_stop(host);
>
> + for (i = 0; i < host->n_ports; i++) {
> + struct ata_port *ap = host->ports[i];
> +
> + if (ap)
> + scsi_host_put(ap->scsi_host);
> +
> + host->ports[i] = NULL;
> + }
> +
> dev_set_drvdata(gendev, NULL);
> }
>
> diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
> index 388d07f..9d9670a 100644
> --- a/drivers/ata/sata_nv.c
> +++ b/drivers/ata/sata_nv.c
> @@ -874,8 +874,14 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
>
> if (status & (NV_ADMA_STAT_DONE |
> NV_ADMA_STAT_CPBERR)) {
> - u32 check_commands = notifier | notifier_error;
> + u32 check_commands;
> int pos, error = 0;
> +
> + if(ata_tag_valid(ap->active_tag))
> + check_commands = 1 << ap->active_tag;
> + else
> + check_commands = ap->sactive;
> +
> /** Check CPBs for completed commands */
> while ((pos = ffs(check_commands)) && !error) {
> pos--;
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index cf2a398..89ebe36 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -787,6 +787,13 @@ void device_del(struct device * dev)
> device_remove_attrs(dev);
> bus_remove_device(dev);
>
> + /*
> + * Some platform devices are driven without driver attached
> + * and managed resources may have been acquired. Make sure
> + * all resources are released.
> + */
> + devres_release_all(dev);
> +
> /* Notify the platform of the removal, in case they
> * need to do anything...
> */
> -
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