From: Arnd Bergmann <arnd@kernel.org>
To: Jassi Brar <jassisinghbrar@gmail.com>,
Sibi Sankar <quic_sibis@quicinc.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>, linux-kernel@vger.kernel.org
Subject: [PATCH] mailbox: qcom-cpucp: fix 64BIT dependency
Date: Fri, 19 Jul 2024 12:02:23 +0200 [thread overview]
Message-ID: <20240719100247.4012087-1-arnd@kernel.org> (raw)
From: Arnd Bergmann <arnd@arndb.de>
This newly added driver fails compile testing on 32-bit architectures
because it relies on 64-bit MMIO register access:
drivers/mailbox/qcom-cpucp-mbox.c: In function 'qcom_cpucp_mbox_irq_fn':
drivers/mailbox/qcom-cpucp-mbox.c:54:18: error: implicit declaration of function 'readq'; did you mean 'readb'? [-Wimplicit-function-declaration]
54 | status = readq(cpucp->rx_base + APSS_CPUCP_RX_MBOX_STAT);
| ^~~~~
| readb
drivers/mailbox/qcom-cpucp-mbox.c:65:17: error: implicit declaration of function 'writeq'; did you mean 'writeb'? [-Wimplicit-function-declaration]
65 | writeq(BIT(i), cpucp->rx_base + APSS_CPUCP_RX_MBOX_CLEAR);
| ^~~~~~
| writeb
Change the Kconfig dependency to disallow that configuration as well.
Fixes: 0e2a9a03106c ("mailbox: Add support for QTI CPUCP mailbox controller")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/mailbox/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig
index d1f6c758b5e8..4eed97295927 100644
--- a/drivers/mailbox/Kconfig
+++ b/drivers/mailbox/Kconfig
@@ -278,7 +278,7 @@ config SPRD_MBOX
config QCOM_CPUCP_MBOX
tristate "Qualcomm Technologies, Inc. CPUCP mailbox driver"
- depends on ARCH_QCOM || (COMPILE_TEST && 64BIT)
+ depends on (ARCH_QCOM || COMPILE_TEST) && 64BIT
help
Qualcomm Technologies, Inc. CPUSS Control Processor (CPUCP) mailbox
controller driver enables communication between AP and CPUCP. Say
--
2.39.2
next reply other threads:[~2024-07-19 10:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-19 10:02 Arnd Bergmann [this message]
2024-07-19 10:04 ` Konrad Dybcio
2024-07-25 9:25 ` Sibi Sankar
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