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Message-ID: <CABb+yY0jbBzhgGEo2wTczF14ndOa2=Bcs6FE8BjLt4icWcxAmw@mail.gmail.com>
Date: Mon, 20 Jan 2025 10:19:30 -0600
From: Jassi Brar <jassisinghbrar@...il.com>
To: Nathan Chancellor <nathan@...nel.org>
Cc: paul.walmsley@...ive.com, palmer@...belt.com, conor.dooley@...rochip.com, 
	conor+dt@...nel.org, robh@...nel.org, krzk+dt@...nel.org, 
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org, 
	Valentina Fernandez <valentina.fernandezalanis@...rochip.com>
Subject: Re: [PATCH v6 0/4] Add Microchip IPC mailbox

On Mon, Jan 20, 2025 at 6:20 AM Nathan Chancellor <nathan@...nel.org> wrote:
>
> Hi Jassi,
>
> On Tue, Dec 17, 2024 at 11:31:30AM +0000, Valentina Fernandez wrote:
> ...
> > This series adds support for the Microchip Inter-Processor Communication
> > (IPC) mailbox driver.
> ...
> > Valentina Fernandez (4):
> >   riscv: sbi: vendorid_list: Add Microchip Technology to the vendor list
> >   riscv: export __cpuid_to_hartid_map
> >   dt-bindings: mailbox: add binding for Microchip IPC mailbox controller
> >   mailbox: add Microchip IPC support
>
> I see this series is now in next-20250120 but you only applied patches 3
> and 4, so the build is broken:
>
>   In file included from drivers/mailbox/mailbox-mchp-ipc-sbi.c:22:
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c: In function 'mchp_ipc_sbi_chan_send':
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c:29:42: error: 'MICROCHIP_VENDOR_ID' undeclared (first use in this function)
>      29 |                                          MICROCHIP_VENDOR_ID)
>         |                                          ^~~~~~~~~~~~~~~~~~~
>   arch/riscv/include/asm/sbi.h:436:56: note: in definition of macro 'sbi_ecall'
>     436 |                 __sbi_ecall(a0, a1, a2, a3, a4, a5, f, e)
>         |                                                        ^
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c:121:25: note: in expansion of macro 'SBI_EXT_MICROCHIP_TECHNOLOGY'
>     121 |         ret = sbi_ecall(SBI_EXT_MICROCHIP_TECHNOLOGY, command, channel,
>         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c:29:42: note: each undeclared identifier is reported only once for each function it appears in
>      29 |                                          MICROCHIP_VENDOR_ID)
>         |                                          ^~~~~~~~~~~~~~~~~~~
>   arch/riscv/include/asm/sbi.h:436:56: note: in definition of macro 'sbi_ecall'
>     436 |                 __sbi_ecall(a0, a1, a2, a3, a4, a5, f, e)
>         |                                                        ^
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c:121:25: note: in expansion of macro 'SBI_EXT_MICROCHIP_TECHNOLOGY'
>     121 |         ret = sbi_ecall(SBI_EXT_MICROCHIP_TECHNOLOGY, command, channel,
>         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c: In function 'mchp_ipc_sbi_send':
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c:29:42: error: 'MICROCHIP_VENDOR_ID' undeclared (first use in this function)
>      29 |                                          MICROCHIP_VENDOR_ID)
>         |                                          ^~~~~~~~~~~~~~~~~~~
>   arch/riscv/include/asm/sbi.h:436:56: note: in definition of macro 'sbi_ecall'
>     436 |                 __sbi_ecall(a0, a1, a2, a3, a4, a5, f, e)
>         |                                                        ^
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c:134:25: note: in expansion of macro 'SBI_EXT_MICROCHIP_TECHNOLOGY'
>     134 |         ret = sbi_ecall(SBI_EXT_MICROCHIP_TECHNOLOGY, command, address,
>         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c: In function 'mchp_ipc_probe':
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c:29:42: error: 'MICROCHIP_VENDOR_ID' undeclared (first use in this function)
>      29 |                                          MICROCHIP_VENDOR_ID)
>         |                                          ^~~~~~~~~~~~~~~~~~~
>   drivers/mailbox/mailbox-mchp-ipc-sbi.c:420:35: note: in expansion of macro 'SBI_EXT_MICROCHIP_TECHNOLOGY'
>     420 |         ret = sbi_probe_extension(SBI_EXT_MICROCHIP_TECHNOLOGY);
>         |                                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Can you please fix this? It is a little frustrating this is happening
> just as the merge window opens...
>
Usually the platform specific stuff goes via the platform tree, for
example there isn't anything 'mailbox' about MICROCHIP_VENDOR_ID and
__cpuid_to_hartid_map.
I pick only mailbox patches unless the maintainer acks and wants me to
pick platform ones. Though I should have noted that I am picking only
mailbox stuff, but ok I will queue them now.
Thnx

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