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Wed, 17 Jul 2024 14:52:27 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-568-g843fbadbe-fm-20240701.003-g843fbadb Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <865236b7-fd09-43cd-94fe-c07da6a903c5@app.fastmail.com> In-Reply-To: <20240717163739.181236-1-vattunuru@marvell.com> References: <20240717163739.181236-1-vattunuru@marvell.com> Date: Wed, 17 Jul 2024 20:52:05 +0200 From: "Arnd Bergmann" To: "Vamsi Attunuru" , "Greg Kroah-Hartman" Cc: linux-kernel@vger.kernel.org, "Nathan Chancellor" , "Jeff Johnson" Subject: Re: [PATCH] misc: Kconfig: exclude mrvl-cn10k-dpi compilation for 32-bit systems Content-Type: text/plain On Wed, Jul 17, 2024, at 18:37, Vamsi Attunuru wrote: > Upon adding CONFIG_ARCH_THUNDER & CONFIG_COMPILE_TEST dependency, > compilation errors arise on 32-bit ARM with writeq() & readq() calls > which are used for accessing 64-bit values. > > Since DPI hardware only works with 64-bit register accesses, using > CONFIG_64BIT dependency to skip compilation on 32-bit systems. > > Fixes: a5e43e2d202d ("misc: Kconfig: add a new dependency for > MARVELL_CN10K_DPI") > Signed-off-by: Vamsi Attunuru > Tested-by: Nathan Chancellor > Tested-by: Jeff Johnson Acked-by: Arnd Bergmann