Ke Wei wrote:
Attachment is a patch file for 6440 driver. I will have to spend more
time on setting my mail client. Yesterday I used mutt tool. But Look
like the problem still exists.
I fixed all issues which you mentioned , but
The changes look good, thanks!
In terms of engineering process, I should have been more clear: when
revising your submission, you should make the revisions and then
regenerate your original patch.
To use a silly example, if you needed to fix a 1-character typo in a
1,000-line patch, you would need to make your revision, re-generate the
1,000-line patch, and email that new patch.
So, to move forward, please create one single patch with the latest
mvsas, diff'd against the 'mvsas' branch of
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
I will "ack" that patch (indicate my approval), and unless other
objections surface, James will merge your patch into the 'mvsas' branch.
That will get the driver on the road to be included in 2.6.25.
@@ -666,11 +970,53 @@ static int mvs_nvram_read(struct mvs_info *mvi, unsigned
int addr,
err_out:
dev_printk(KERN_ERR, &mvi->pdev->dev, "%s", msg);
return rc;
+#else
+ memcpy(buf, "\x50\x05\x04\x30\x11\xab\x00\x00", 8);
+ return 0;
+#endif
what happens if two adapters are used, with the same SAS address? That
causes problems...
Our bios can write SAS Address per port when system boot , so I think
we don't need read or configure address.
It is standard Linux policy to reduce or eliminate BIOS dependencies as
much as possible.
This is because there are several common scenarios where BIOS may not
run, or otherwise not be available:
* suspend/resume
* controller hotplug
* non-x86 PCI platforms such as POWER
Thus, we need the driver to obtain these addresses -- hopefully reading
them from a BIOS data table somewhere, if NVRAM is not available.
This is a highly common scenario -- obtaining unique identifying
information in the absence of BIOS.
Similarly, we cannot rely on BIOS to perform any global reset or errata
workaround duties for us. That must be coded into the driver also.
And I reserved hexdump funciton if you don't care. Only debugging.
It is not an important matter, but it would be nice to clean that up
eventually.
Also, FWIW, we have a standard method of debug output:
struct pci_dev *pdev;
dev_dbg(&pdev->dev, KERN_INFO,
"this is debug message number %d", 2);
which will only be compiled into the driver when DEBUG is defined.
+static int mvs_abort_task(struct sas_task *task)
+{
+ /*FIXME*/
+ MVS_PRINTK("mvs abort task\n");
+ return TMF_RESP_FUNC_COMPLETE;
+}
should make an attempt to do something sane here
if entering this abort function , I think I must fix the unknown
issues instead of here. But I also will implement next.
Ok, thanks.
Jeff
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