On Monday, December 02, 2013 12:46 PM, Guenter Roeck wrote: > On 12/01/2013 04:07 PM, Jingoo Han wrote: > > On Friday, November 29, 2013 10:34 AM, Jingoo Han wrote: > >> On Thursday, November 28, 2013 3:24 PM, Joe Perches wrote: > >>> On Wed, 2013-11-27 at 21:53 -0800, 'Greg Kroah-Hartman' wrote: > >>>> On Wed, Nov 27, 2013 at 09:40:13PM -0800, Joe Perches wrote: > >>>>> On Thu, 2013-11-28 at 14:29 +0900, Jingoo Han wrote: > >>>>>> On Thursday, November 28, 2013 1:08 PM, Greg Kroah-Hartman wrote: > >>>>>>> On Thu, Nov 28, 2013 at 10:55:35AM +0900, Jingoo Han wrote: > >>>>>>>> This macro is used to create a struct pci_device_id array. > >>>>>>> > >>>>>>> Yeah, and it's a horrid macro that deserves to be removed, please don't > >>>>>>> use it in more places. > >>>>>>> > >>>>>>> Actually, if you could just remove it, that would be best, sorry, I'm > >>>>>>> not going to take these patches. > >>>>>> > >>>>>> (+cc Joe Perches, Andrew Morton, Andy Whitcroft) > >>>>>> > >>>>>> Hi Joe Perches, > >>>>>> > >>>>>> Would you fix checkpatch.pl about DEFINE_PCI_DEVICE_TABLE? > >>>>>> Currently, checkpatch.pl guides to use DEFINE_PCI_DEVICE_TABLE > >>>>>> as below. > >>>>>> > >>>>>> WARNING: Use DEFINE_PCI_DEVICE_TABLE for struct pci_device_id > >>>>>> #331: FILE: drivers/usb/host/ehci-pci.c:331: > >>>>>> +static const struct pci_device_id pci_ids [] = { { > >>>>>> > >>>>>> However, Greg Kroah-Hartman mentioned that DEFINE_PCI_DEVICE_TABLE > >>>>>> shouldn't be used anymore. > >>>>>> > >>>>>> So, would you change checkpatch.pl in order to guide to use > >>>>>> struct pci_device_id instead of DEFINE_PCI_DEVICE_TABLE? > >>>>>> > >>>>>> For example, > >>>>>> WARNING: Use struct pci_device_id instead of DEFINE_PCI_DEVICE_TABLE > >>>>> > >>>>> The documentation doesn't agree with Greg. > >>> [] > >>>> I say just remove it, I should have done that years ago when I was the > >>>> PCI maintainer, just never got around to it. No other bus has something > >>>> like this for their device ids, why should PCI be "special"? > >>> > >>> Anyone else have an opinion? > >>> > >>> I don't care one way or another, but please, one way > >>> not two. > >> > > Same here. > > >> (+cc Bjorn Helgaas, linux-pci) > >> > >> Then, how about the following steps? > >> > >> 1. Fix ./Documentation/PCI/pci.txt as below. > >> (Jingoo Han) > >> The ID table is an array of struct pci_device_id entries ending with an > >> -all-zero entry; use of the macro DEFINE_PCI_DEVICE_TABLE is the preferred > >> -method of declaring the table. Each entry consists of: > >> +all-zero entry; Each entry consists of: > >> > >> 2. Fix ./scripts/checkpatch.pl in order to guide to use > >> struct pci_device_id instead of DEFINE_PCI_DEVICE_TABLE. > >> (Joe Perches) > > > > If all DEFINE_PCI_DEVICE_TABLEs are replaced with 'const struct pci_device_id' > > and these patches are merged through 'driver-core.git', it will be not > > necessary to fix ./scripts/checkpatch.pl. > > > Why not ? I will replace all DEFINE_PCI_DEVICE_TABLEs with 'const struct pci_device_id', and remove the definition of DEFINE_PCI_DEVICE_TABLE macro. --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -631,16 +631,6 @@ struct pci_driver { #define to_pci_driver(drv) container_of(drv, struct pci_driver, driver) /** - * DEFINE_PCI_DEVICE_TABLE - macro used to describe a pci device table - * @_table: device table name - * - * This macro is used to create a struct pci_device_id array (a device table) - * in a generic manner. - */ -#define DEFINE_PCI_DEVICE_TABLE(_table) \ - const struct pci_device_id _table[] - -/** In this case, there is no DEFINE_PCI_DEVICE_TABLE usage in the kernel. If someone uses DEFINE_PCI_DEVICE_TABLE macro, it will make build error. Best regards, Jingoo Han -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html