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Date: Thu, 26 Jul 2012 20:50:02 -0600
From: Toshi Kani <toshi.kani@...com>
To: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: lenb@...nel.org, linux-acpi@...r.kernel.org,
linux-kernel@...r.kernel.org, joe@...ches.com,
isimatu.yasuaki@...fujitsu.com, liuj97@...il.com,
srivatsa.bhat@...ux.vnet.ibm.com, prarit@...hat.com,
imammedo@...hat.com, vijaymohan.pandarathil@...com
Subject: Re: [PATCH v3 3/4] ACPI: Update Memory hotplug messages
On Thu, 2012-07-26 at 13:23 -0600, Bjorn Helgaas wrote:
> On Wed, Jul 25, 2012 at 5:12 PM, Toshi Kani <toshi.kani@...com> wrote:
> > Updated Memory hotplug log messages with acpi_pr_<level>()
> > and pr_<level>().
> >
> > Signed-off-by: Toshi Kani <toshi.kani@...com>
> > ---
> > drivers/acpi/acpi_memhotplug.c | 24 ++++++++++++------------
> > 1 files changed, 12 insertions(+), 12 deletions(-)
> >
> > diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
> > index 06c55cd..dcc8f4d 100644
> > --- a/drivers/acpi/acpi_memhotplug.c
> > +++ b/drivers/acpi/acpi_memhotplug.c
> > @@ -170,7 +170,7 @@ acpi_memory_get_device(acpi_handle handle,
> > /* Get the parent device */
> > result = acpi_bus_get_device(phandle, &pdevice);
> > if (result) {
> > - printk(KERN_WARNING PREFIX "Cannot get acpi bus device");
> > + acpi_pr_warn(phandle, "Cannot get acpi bus device\n");
> > return -EINVAL;
> > }
> >
> > @@ -180,14 +180,14 @@ acpi_memory_get_device(acpi_handle handle,
> > */
> > result = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
> > if (result) {
> > - printk(KERN_WARNING PREFIX "Cannot add acpi bus");
> > + acpi_pr_warn(handle, "Cannot add acpi bus\n");
> > return -EINVAL;
> > }
> >
> > end:
> > *mem_device = acpi_driver_data(device);
> > if (!(*mem_device)) {
> > - printk(KERN_ERR "\n driver data not found");
> > + acpi_pr_err(handle, "driver data not found\n");
>
> acpi_driver_data() requires a valid acpi_device *, so dev_err() should
> work here.
Agreed. Changed to use dev_err().
>
> > return -ENODEV;
> > }
> >
> > @@ -224,7 +224,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
> > /* Get the range from the _CRS */
> > result = acpi_memory_get_device_resources(mem_device);
> > if (result) {
> > - printk(KERN_ERR PREFIX "get_device_resources failed\n");
> > + pr_err(PREFIX "get_device_resources failed\n");
>
> And here.
Changed to use dev_err().
>
> > mem_device->state = MEMORY_INVALID_STATE;
> > return result;
> > }
> > @@ -257,7 +257,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
> > num_enabled++;
> > }
> > if (!num_enabled) {
> > - printk(KERN_ERR PREFIX "add_memory failed\n");
> > + acpi_pr_err(mem_device->device->handle, "add_memory failed\n");
>
> And here.
Changed to use dev_err().
>
> > mem_device->state = MEMORY_INVALID_STATE;
> > return -EINVAL;
> > }
> > @@ -353,7 +353,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
> > ACPI_DEBUG_PRINT((ACPI_DB_INFO,
> > "\nReceived DEVICE CHECK notification for device\n"));
> > if (acpi_memory_get_device(handle, &mem_device)) {
> > - printk(KERN_ERR PREFIX "Cannot find driver data\n");
> > + acpi_pr_err(handle, "Cannot find driver data\n");
> > break;
> > }
> >
> > @@ -361,7 +361,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
> > break;
> >
> > if (acpi_memory_enable_device(mem_device)) {
> > - pr_err(PREFIX "Cannot enable memory device\n");
> > + acpi_pr_err(handle, "Cannot enable memory device\n");
>
> And here.
No change since it is called directly from the handler.
> > break;
> > }
> >
> > @@ -373,12 +373,12 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
> > "\nReceived EJECT REQUEST notification for device\n"));
> >
> > if (acpi_bus_get_device(handle, &device)) {
> > - printk(KERN_ERR PREFIX "Device doesn't exist\n");
> > + acpi_pr_err(handle, "Device doesn't exist\n");
> > break;
> > }
> > mem_device = acpi_driver_data(device);
> > if (!mem_device) {
> > - printk(KERN_ERR PREFIX "Driver Data is NULL\n");
> > + acpi_pr_err(handle, "Driver Data is NULL\n");
>
> And here.
No change since it is called directly from the handler.
> > break;
> > }
> >
> > @@ -389,7 +389,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
> > * with generic sysfs driver
> > */
> > if (acpi_memory_disable_device(mem_device)) {
> > - pr_err(PREFIX "Disable memory device\n");
> > + acpi_pr_err(handle, "Disable memory device\n");
>
> And here. (What is this message supposed to mean, anyway?)
I changed the message to "Failed to remove memory device\n". This case
is failed in off-lining or ejecting the memory.
> > /*
> > * If _EJ0 was called but failed, _OST is not
> > * necessary.
> > @@ -449,7 +449,7 @@ static int acpi_memory_device_add(struct acpi_device *device)
> > /* Set the device state */
> > mem_device->state = MEMORY_POWER_ON_STATE;
> >
> > - printk(KERN_DEBUG "%s \n", acpi_device_name(device));
> > + pr_debug("%s\n", acpi_device_name(device));
>
> And here. This message looks dubious anyway.
It kept it as is since it is a debug message anyway. I expect it will be
removed eventually.
> >
> > /*
> > * Early boot code has recognized memory area by EFI/E820.
> > @@ -464,7 +464,7 @@ static int acpi_memory_device_add(struct acpi_device *device)
> > /* call add_memory func */
> > result = acpi_memory_enable_device(mem_device);
> > if (result)
> > - printk(KERN_ERR PREFIX
> > + acpi_pr_err(device->handle,
> > "Error in acpi_memory_enable_device\n");
>
> And here.
Changed to use dev_err().
Thanks!
-Toshi
>
> > }
> > return result;
> > --
> > 1.7.7.6
> >
--
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