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AJvYcCVchbQ8FpDWWaE9JJO1PnqeLoa49CdjaCD+xvgFchIcMvDSTPKsTIo+aIqM8vDqpyVKEzvnuU/D6V7cf+cK5MQ8@lists.infradead.org X-Gm-Message-State: AOJu0YxRZSgMxlEWumuxYxbWgE2MS778UT9KTYjReiIY9lzi1NBasF/i A3r0terfx9SPdim2OLxWYIq6vIDbL/dx+/CpMNQ9AgoneqMouWjwpnX3zWa0Oi8LxiUiC5ydVjt cZFZwePbQtxnqpgio5l9Kbmctog== X-Google-Smtp-Source: AGHT+IGrqCyZAj3WhiZpuq4EomsTyl0s1Z4lp12t9lZvwltIa9qDp+9pdQe/IpL9JiYdK9qni53p5x/BRGVpG+ks5V4= X-Received: from wmcn5.prod.google.com ([2002:a05:600c:c0c5:b0:43d:1db0:6628]) (user=sebastianene job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:3584:b0:43c:fd72:f028 with SMTP id 5b1f17b1804b1-43d3ba27a69mr28607885e9.29.1742315134353; Tue, 18 Mar 2025 09:25:34 -0700 (PDT) Date: Tue, 18 Mar 2025 16:25:09 +0000 In-Reply-To: <20250318162510.3280359-1-sebastianene@google.com> Mime-Version: 1.0 References: <20250318162510.3280359-1-sebastianene@google.com> X-Mailer: git-send-email 2.49.0.rc1.451.g8f38331e32-goog Message-ID: <20250318162510.3280359-3-sebastianene@google.com> Subject: [PATCH v3 2/3] firmware: arm_ffa: Move the ffa_to_linux definition to the ffa header From: Sebastian Ene To: catalin.marinas@arm.com, joey.gouly@arm.com, maz@kernel.org, oliver.upton@linux.dev, sebastianene@google.com, snehalreddy@google.com, sudeep.holla@arm.com, suzuki.poulose@arm.com, vdonnefort@google.com, will@kernel.org, yuzenghui@huawei.com Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-team@android.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250318_092536_417871_90527C06 X-CRM114-Status: GOOD ( 14.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Keep the ffa_to_linux error map in the header and move it away from the arm ffa driver to make it accessible for other components. Signed-off-by: Sebastian Ene Reviewed-by: Sudeep Holla --- drivers/firmware/arm_ffa/driver.c | 24 ------------------------ include/linux/arm_ffa.h | 24 ++++++++++++++++++++++++ 2 files changed, 24 insertions(+), 24 deletions(-) diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 2c2ec3c35f15..b02b80f3dfe8 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -61,30 +61,6 @@ static ffa_fn *invoke_ffa_fn; -static const int ffa_linux_errmap[] = { - /* better than switch case as long as return value is continuous */ - 0, /* FFA_RET_SUCCESS */ - -EOPNOTSUPP, /* FFA_RET_NOT_SUPPORTED */ - -EINVAL, /* FFA_RET_INVALID_PARAMETERS */ - -ENOMEM, /* FFA_RET_NO_MEMORY */ - -EBUSY, /* FFA_RET_BUSY */ - -EINTR, /* FFA_RET_INTERRUPTED */ - -EACCES, /* FFA_RET_DENIED */ - -EAGAIN, /* FFA_RET_RETRY */ - -ECANCELED, /* FFA_RET_ABORTED */ - -ENODATA, /* FFA_RET_NO_DATA */ - -EAGAIN, /* FFA_RET_NOT_READY */ -}; - -static inline int ffa_to_linux_errno(int errno) -{ - int err_idx = -errno; - - if (err_idx >= 0 && err_idx < ARRAY_SIZE(ffa_linux_errmap)) - return ffa_linux_errmap[err_idx]; - return -EINVAL; -} - struct ffa_pcpu_irq { struct ffa_drv_info *info; }; diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h index 74169dd0f659..850577edadbc 100644 --- a/include/linux/arm_ffa.h +++ b/include/linux/arm_ffa.h @@ -475,4 +475,28 @@ struct ffa_ops { const struct ffa_notifier_ops *notifier_ops; }; +static const int ffa_linux_errmap[] = { + /* better than switch case as long as return value is continuous */ + 0, /* FFA_RET_SUCCESS */ + -EOPNOTSUPP, /* FFA_RET_NOT_SUPPORTED */ + -EINVAL, /* FFA_RET_INVALID_PARAMETERS */ + -ENOMEM, /* FFA_RET_NO_MEMORY */ + -EBUSY, /* FFA_RET_BUSY */ + -EINTR, /* FFA_RET_INTERRUPTED */ + -EACCES, /* FFA_RET_DENIED */ + -EAGAIN, /* FFA_RET_RETRY */ + -ECANCELED, /* FFA_RET_ABORTED */ + -ENODATA, /* FFA_RET_NO_DATA */ + -EAGAIN, /* FFA_RET_NOT_READY */ +}; + +static inline int ffa_to_linux_errno(int errno) +{ + int err_idx = -errno; + + if (err_idx >= 0 && err_idx < ARRAY_SIZE(ffa_linux_errmap)) + return ffa_linux_errmap[err_idx]; + return -EINVAL; +} + #endif /* _LINUX_ARM_FFA_H */