* [PATCH] Re: + gdth-remove-redundant-pci-stuff.patch added to -mm tree
[not found] <200707182249.l6IMnF6M000557@imap1.linux-foundation.org>
@ 2007-07-18 23:51 ` Jeff Garzik
0 siblings, 0 replies; only message in thread
From: Jeff Garzik @ 2007-07-18 23:51 UTC (permalink / raw)
To: akpm; +Cc: linux-scsi, hch, achim_leubner
[-- Attachment #1: Type: text/plain, Size: 1125 bytes --]
akpm@linux-foundation.org wrote:
> The patch titled
> gdth: remove redundant PCI stuff
> has been added to the -mm tree. Its filename is
> gdth-remove-redundant-pci-stuff.patch
>
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
>
> See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
> out what to do about this
>
> ------------------------------------------------------
> Subject: gdth: remove redundant PCI stuff
> From: Jeff Garzik <jeff@garzik.org>
>
> This patch
>
> * removes struct members that duplicate pci_dev members
> * replaces ha->stype usage with ha->pdev->device usage where feasible
> * removes PCI IDs that are already in include/linux/pci_ids.h
>
> I thought it would be a good preparation for PCI hotplug API. (or at the very
> least, proper pci_dev refcounting)
>
> Signed-off-by: Jeff Garzik <jeff@garzik.org>
> Cc: Christoph Hellwig <hch@lst.de>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Attached is the version updated with Christoph's "don't lose info
contained in PCI_DEVICE_ID constants" request.
Jeff
[-- Attachment #2: patch --]
[-- Type: text/plain, Size: 7617 bytes --]
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index d0b95ce..b0f5687 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -902,11 +902,6 @@ static void __init gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt,
return;
/* GDT PCI controller found, resources are already in pdev */
pcistr[*cnt].pdev = pdev;
- pcistr[*cnt].vendor_id = vendor;
- pcistr[*cnt].device_id = device;
- pcistr[*cnt].subdevice_id = pdev->subsystem_device;
- pcistr[*cnt].bus = pdev->bus->number;
- pcistr[*cnt].device_fn = pdev->devfn;
pcistr[*cnt].irq = pdev->irq;
base0 = pci_resource_flags(pdev, 0);
base1 = pci_resource_flags(pdev, 1);
@@ -926,7 +921,8 @@ static void __init gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt,
pcistr[*cnt].io = pci_resource_start(pdev, 1);
}
TRACE2(("Controller found at %d/%d, irq %d, dpmem 0x%lx\n",
- pcistr[*cnt].bus, PCI_SLOT(pcistr[*cnt].device_fn),
+ pcistr[*cnt].pdev->bus->number,
+ PCI_SLOT(pcistr[*cnt].pdev->devfn),
pcistr[*cnt].irq, pcistr[*cnt].dpmem));
(*cnt)++;
}
@@ -946,20 +942,20 @@ static void __init gdth_sort_pci(gdth_pci_str *pcistr, int cnt)
changed = FALSE;
for (i = 0; i < cnt-1; ++i) {
if (!reverse_scan) {
- if ((pcistr[i].bus > pcistr[i+1].bus) ||
- (pcistr[i].bus == pcistr[i+1].bus &&
- PCI_SLOT(pcistr[i].device_fn) >
- PCI_SLOT(pcistr[i+1].device_fn))) {
+ if ((pcistr[i].pdev->bus->number > pcistr[i+1].pdev->bus->number) ||
+ (pcistr[i].pdev->bus->number == pcistr[i+1].pdev->bus->number &&
+ PCI_SLOT(pcistr[i].pdev->devfn) >
+ PCI_SLOT(pcistr[i+1].pdev->devfn))) {
temp = pcistr[i];
pcistr[i] = pcistr[i+1];
pcistr[i+1] = temp;
changed = TRUE;
}
} else {
- if ((pcistr[i].bus < pcistr[i+1].bus) ||
- (pcistr[i].bus == pcistr[i+1].bus &&
- PCI_SLOT(pcistr[i].device_fn) <
- PCI_SLOT(pcistr[i+1].device_fn))) {
+ if ((pcistr[i].pdev->bus->number < pcistr[i+1].pdev->bus->number) ||
+ (pcistr[i].pdev->bus->number == pcistr[i+1].pdev->bus->number &&
+ PCI_SLOT(pcistr[i].pdev->devfn) <
+ PCI_SLOT(pcistr[i+1].pdev->devfn))) {
temp = pcistr[i];
pcistr[i] = pcistr[i+1];
pcistr[i+1] = temp;
@@ -1176,17 +1172,16 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha)
TRACE(("gdth_init_pci()\n"));
- if (pcistr->vendor_id == PCI_VENDOR_ID_INTEL)
+ if (pcistr->pdev->vendor == PCI_VENDOR_ID_INTEL)
ha->oem_id = OEM_ID_INTEL;
else
ha->oem_id = OEM_ID_ICP;
- ha->brd_phys = (pcistr->bus << 8) | (pcistr->device_fn & 0xf8);
- ha->stype = (ulong32)pcistr->device_id;
- ha->subdevice_id = pcistr->subdevice_id;
+ ha->brd_phys = (pcistr->pdev->bus->number << 8) | (pcistr->pdev->devfn & 0xf8);
+ ha->stype = (ulong32)pcistr->pdev->device;
ha->irq = pcistr->irq;
ha->pdev = pcistr->pdev;
- if (ha->stype <= PCI_DEVICE_ID_VORTEX_GDT6000B) { /* GDT6000/B */
+ if (ha->pdev->device <= PCI_DEVICE_ID_VORTEX_GDT6000B) { /* GDT6000/B */
TRACE2(("init_pci() dpmem %lx irq %d\n",pcistr->dpmem,ha->irq));
ha->brd = ioremap(pcistr->dpmem, sizeof(gdt6_dpram_str));
if (ha->brd == NULL) {
@@ -1293,7 +1288,7 @@ static int __init gdth_init_pci(gdth_pci_str *pcistr,gdth_ha_str *ha)
ha->dma64_support = 0;
- } else if (ha->stype <= PCI_DEVICE_ID_VORTEX_GDT6555) { /* GDT6110, ... */
+ } else if (ha->pdev->device <= PCI_DEVICE_ID_VORTEX_GDT6555) { /* GDT6110, ... */
ha->plx = (gdt6c_plx_regs *)pcistr->io;
TRACE2(("init_pci_new() dpmem %lx irq %d\n",
pcistr->dpmem,ha->irq));
@@ -4601,7 +4596,8 @@ static int __init gdth_detect(Scsi_Host_Template *shtp)
}
/* controller found and initialized */
printk("Configuring GDT-PCI HA at %d/%d IRQ %u\n",
- pcistr[ctr].bus,PCI_SLOT(pcistr[ctr].device_fn),ha->irq);
+ pcistr[ctr].pdev->bus->number,
+ PCI_SLOT(pcistr[ctr].pdev->devfn), ha->irq);
if (request_irq(ha->irq, gdth_interrupt,
IRQF_DISABLED|IRQF_SHARED, "gdth", ha))
@@ -4637,7 +4633,7 @@ static int __init gdth_detect(Scsi_Host_Template *shtp)
#endif
ha->scratch_busy = FALSE;
ha->req_first = NULL;
- ha->tid_cnt = pcistr[ctr].device_id >= 0x200 ? MAXID : MAX_HDRIVES;
+ ha->tid_cnt = pcistr[ctr].pdev->device >= 0x200 ? MAXID : MAX_HDRIVES;
if (max_ids > 0 && max_ids < ha->tid_cnt)
ha->tid_cnt = max_ids;
for (i=0; i<GDTH_MAXCMDS; ++i)
@@ -4810,7 +4806,7 @@ static const char *gdth_ctr_name(int hanum)
} else if (ha->type == GDT_ISA) {
return("GDT2000/2020");
} else if (ha->type == GDT_PCI) {
- switch (ha->stype) {
+ switch (ha->pdev->device) {
case PCI_DEVICE_ID_VORTEX_GDT60x0:
return("GDT6000/6020/6050");
case PCI_DEVICE_ID_VORTEX_GDT6000B:
@@ -5448,12 +5444,12 @@ static int gdth_ioctl(struct inode *inode, struct file *filep,
ctrt.type =
(ha->oem_id == OEM_ID_INTEL ? 0xfd : 0xfe);
if (ha->stype >= 0x300)
- ctrt.ext_type = 0x6000 | ha->subdevice_id;
+ ctrt.ext_type = 0x6000 | ha->pdev->subsystem_device;
else
ctrt.ext_type = 0x6000 | ha->stype;
}
- ctrt.device_id = ha->stype;
- ctrt.sub_device_id = ha->subdevice_id;
+ ctrt.device_id = ha->pdev->device;
+ ctrt.sub_device_id = ha->pdev->subsystem_device;
}
ctrt.info = ha->brd_phys;
ctrt.oem_id = ha->oem_id;
diff --git a/drivers/scsi/gdth.h b/drivers/scsi/gdth.h
index 8c29eaf..3742330 100644
--- a/drivers/scsi/gdth.h
+++ b/drivers/scsi/gdth.h
@@ -845,11 +845,6 @@ typedef struct {
/* PCI resources */
typedef struct {
struct pci_dev *pdev;
- ushort vendor_id; /* vendor (ICP, Intel, ..) */
- ushort device_id; /* device ID (0,..,9) */
- ushort subdevice_id; /* sub device ID */
- unchar bus; /* PCI bus */
- unchar device_fn; /* PCI device/function no. */
ulong dpmem; /* DPRAM address */
ulong io; /* IO address */
ulong io_mm; /* IO address mem. mapped */
@@ -862,7 +857,6 @@ typedef struct {
ushort oem_id; /* OEM */
ushort type; /* controller class */
ulong32 stype; /* subtype (PCI: device ID) */
- ushort subdevice_id; /* sub device ID (PCI) */
ushort fw_vers; /* firmware version */
ushort cache_feat; /* feat. cache serv. (s/g,..)*/
ushort raw_feat; /* feat. raw service (s/g,..)*/
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