[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen: xen-pciback: remove DRIVER_ATTR() usage
On Wed, Jul 19, 2017 at 03:17:53PM +0200, Juergen Gross wrote: > On 19/07/17 14:58, Greg KH wrote: > > From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > > > It's better to be explicit and use the DRIVER_ATTR_RW() and > > DRIVER_ATTR_RO() macros when defining a driver's sysfs file. > > > > Bonus is this fixes up a checkpatch.pl warning. > > > > This is part of a series to drop DRIVER_ATTR() from the tree entirely. > > > > Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> > > Cc: Juergen Gross <jgross@xxxxxxxx> > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > > > > --- > > drivers/xen/xen-pciback/pci_stub.c | 44 > > ++++++++++++++++--------------------- > > 1 file changed, 20 insertions(+), 24 deletions(-) > > > > > > --- a/drivers/xen/xen-pciback/pci_stub.c > > +++ b/drivers/xen/xen-pciback/pci_stub.c > > @@ -1172,8 +1172,8 @@ out: > > return err; > > } > > > > -static ssize_t pcistub_slot_add(struct device_driver *drv, const char *buf, > > - size_t count) > > +static ssize_t new_slot_store(struct device_driver *drv, const char *buf, > > + size_t count) > > { > > int domain, bus, slot, func; > > int err; > > @@ -1189,10 +1189,10 @@ out: > > err = count; > > return err; > > } > > -static DRIVER_ATTR(new_slot, S_IWUSR, NULL, pcistub_slot_add); > > +static DRIVER_ATTR_WO(new_slot); > > > > -static ssize_t pcistub_slot_remove(struct device_driver *drv, const char > > *buf, > > - size_t count) > > +static ssize_t remove_slot_store(struct device_driver *drv, const char > > *buf, > > + size_t count) > > { > > int domain, bus, slot, func; > > int err; > > @@ -1208,9 +1208,9 @@ out: > > err = count; > > return err; > > } > > -static DRIVER_ATTR(remove_slot, S_IWUSR, NULL, pcistub_slot_remove); > > +static DRIVER_ATTR_WO(remove_slot); > > > > -static ssize_t pcistub_slot_show(struct device_driver *drv, char *buf) > > +static ssize_t slots_show(struct device_driver *drv, char *buf) > > { > > struct pcistub_device_id *pci_dev_id; > > size_t count = 0; > > @@ -1231,9 +1231,9 @@ static ssize_t pcistub_slot_show(struct > > > > return count; > > } > > -static DRIVER_ATTR(slots, S_IRUSR, pcistub_slot_show, NULL); > > +static DRIVER_ATTR_RO(slots); > > > > -static ssize_t pcistub_irq_handler_show(struct device_driver *drv, char > > *buf) > > +static ssize_t irq_handlers_show(struct device_driver *drv, char *buf) > > { > > struct pcistub_device *psdev; > > struct xen_pcibk_dev_data *dev_data; > > @@ -1260,11 +1260,10 @@ static ssize_t pcistub_irq_handler_show( > > spin_unlock_irqrestore(&pcistub_devices_lock, flags); > > return count; > > } > > -static DRIVER_ATTR(irq_handlers, S_IRUSR, pcistub_irq_handler_show, NULL); > > +static DRIVER_ATTR_RO(irq_handlers); > > > > -static ssize_t pcistub_irq_handler_switch(struct device_driver *drv, > > - const char *buf, > > - size_t count) > > +static ssize_t irq_handler_state_store(struct device_driver *drv, > > + const char *buf, size_t count) > > { > > struct pcistub_device *psdev; > > struct xen_pcibk_dev_data *dev_data; > > @@ -1301,11 +1300,10 @@ out: > > err = count; > > return err; > > } > > -static DRIVER_ATTR(irq_handler_state, S_IWUSR, NULL, > > - pcistub_irq_handler_switch); > > +static DRIVER_ATTR_WO(irq_handler_state); > > > > -static ssize_t pcistub_quirk_add(struct device_driver *drv, const char > > *buf, > > - size_t count) > > +static ssize_t quirks_add(struct device_driver *drv, const char *buf, > > + size_t count) > > Shouldn't this be named quirks_store()? Odd, yes, it should, I don't know how my build-testing didn't catch that, sorry. Let me go make a v2... thanks, greg k-h _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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