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Free up the allocated memory in the case of error return
The value of mmc_host->cqe_enabled stays 'false'. Thus, cqhci_disable
(mmc_cqe_ops->cqe_disable) won't be called to free the memory. Also,
cqhci_disable() seems to be designed to disable and free all resources, not
suitable to handle this corner case.
Fixes: a4080225f51d ("mmc: cqhci: support for command queue enabled host")
Signed-off-by: Alamy Liu <alamy.liu@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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There is not enough space being allocated when DCMD is disabled.
CQE_DCMD is not necessary to be enabled when CQE is enabled.
(Software could halt CQE to send command)
In the case that CQE_DCMD is not enabled, it still needs to allocate
space for data transfer. For instance:
CQE_DCMD is enabled: 31 slots space (one slot used by DCMD)
CQE_DCMD is disabled: 32 slots space
Fixes: a4080225f51d ("mmc: cqhci: support for command queue enabled host")
Signed-off-by: Alamy Liu <alamy.liu@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This patch adds CMDQ support for command-queue compatible
hosts.
Command queue is added in eMMC-5.1 specification. This
enables the controller to process upto 32 requests at
a time.
Adrian Hunter contributed renaming to cqhci, recovery, suspend
and resume, cqhci_off, cqhci_wait_for_idle, and external timeout
handling.
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>
Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
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Alamy Liu
Venkat Gopalakrishnan