RE: [PATCH v14 03/21] PCI: Add INTx Mechanism Messages macros

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Hi Serge,

> From: Serge Semin, Sent: Tuesday, May 2, 2023 2:35 AM
> 
> On Wed, Apr 26, 2023 at 01:55:39PM +0900, Yoshihiro Shimoda wrote:
> > Add "Message Routing" and "INTx Mechanism Messages" macros to send
> > a message by a PCIe driver.
> >
> > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> > ---
> >  .../pci/controller/dwc/pcie-designware-ep.c   |  1 +
> >  drivers/pci/pci.h                             | 19 +++++++++++++++++++
> >  2 files changed, 20 insertions(+)
> >
> > diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
> > index f9182f8d552f..205bbcc6af27 100644
> > --- a/drivers/pci/controller/dwc/pcie-designware-ep.c
> > +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
> > @@ -9,6 +9,7 @@
> >  #include <linux/of.h>
> >  #include <linux/platform_device.h>
> >
> 
> > +#include "../../pci.h"
> 
> Unrelated change since the new macros are left unused in the framework
> of this patch. Please move it to the patch which implies using the new
> defines and where the included header file content is required.

I got it. I'll move this to the patch 8/21 on v15.

> >  #include "pcie-designware.h"
> >  #include <linux/pci-epc.h>
> >  #include <linux/pci-epf.h>
> > diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
> > index 2475098f6518..4be376c121a4 100644
> > --- a/drivers/pci/pci.h
> > +++ b/drivers/pci/pci.h
> > @@ -11,6 +11,25 @@
> >
> >  #define PCI_VSEC_ID_INTEL_TBT	0x1234	/* Thunderbolt */
> >
> > +/* Message Routing */
> > +#define PCI_MSG_ROUTING_RC	0
> > +#define PCI_MSG_ROUTING_ADDR	1
> > +#define PCI_MSG_ROUTING_ID	2
> > +#define PCI_MSG_ROUTING_BC	3
> > +#define PCI_MSG_ROUTING_LOCAL	4
> > +#define PCI_MSG_ROUTING_GATHER	5
> > +
> > +/* INTx Mechanism Messages */
> > +#define PCI_CODE_ASSERT_INTA	0x20
> > +#define PCI_CODE_ASSERT_INTB	0x21
> > +#define PCI_CODE_ASSERT_INTC	0x22
> > +#define PCI_CODE_ASSERT_INTD	0x23
> > +#define PCI_CODE_DEASSERT_INTA	0x24
> > +#define PCI_CODE_DEASSERT_INTB	0x25
> > +#define PCI_CODE_DEASSERT_INTC	0x26
> > +#define PCI_CODE_DEASSERT_INTD	0x27
> > +
> 
> > +
> 
> Excessive new line. Please drop it.

Oops. I'll drop it.

Best regards,
Yoshihiro Shimoda

> -Serge(y)
> 
> >  extern const unsigned char pcie_link_speed[];
> >  extern bool pci_early_dump;
> >
> > --
> > 2.25.1
> >




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