diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/804-crypto-0030-crypto-caam-add-functionality-used-by-the-caam_dma-d.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/804-crypto-0030-crypto-caam-add-functionality-used-by-the-caam_dma-d.patch | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/target/linux/layerscape/patches-5.4/804-crypto-0030-crypto-caam-add-functionality-used-by-the-caam_dma-d.patch b/target/linux/layerscape/patches-5.4/804-crypto-0030-crypto-caam-add-functionality-used-by-the-caam_dma-d.patch deleted file mode 100644 index 6e4323987a..0000000000 --- a/target/linux/layerscape/patches-5.4/804-crypto-0030-crypto-caam-add-functionality-used-by-the-caam_dma-d.patch +++ /dev/null @@ -1,122 +0,0 @@ -From 20f552cafd7dda6f5d25128bbc04ea2c91d9f5d1 Mon Sep 17 00:00:00 2001 -From: Radu Alexe <radu.alexe@nxp.com> -Date: Thu, 26 Oct 2017 10:45:14 +0300 -Subject: [PATCH] crypto: caam - add functionality used by the caam_dma driver -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -The caam_dma is a memcpy DMA driver based on the DMA functionality of -the CAAM hardware block. It creates a DMA channel for each JR of the -CAAM. This patch adds functionality that is used by the caam_dma that is -not yet part of the JR driver. - -Signed-off-by: Radu Alexe <radu.alexe@nxp.com> -Signed-off-by: Horia Geantă <horia.geanta@nxp.com> ---- - drivers/crypto/caam/desc.h | 2 ++ - drivers/crypto/caam/jr.c | 41 +++++++++++++++++++++++++++++++++++++++++ - drivers/crypto/caam/jr.h | 2 ++ - 3 files changed, 45 insertions(+) - ---- a/drivers/crypto/caam/desc.h -+++ b/drivers/crypto/caam/desc.h -@@ -364,6 +364,7 @@ - #define FIFOLD_TYPE_PK_N (0x08 << FIFOLD_TYPE_SHIFT) - #define FIFOLD_TYPE_PK_A (0x0c << FIFOLD_TYPE_SHIFT) - #define FIFOLD_TYPE_PK_B (0x0d << FIFOLD_TYPE_SHIFT) -+#define FIFOLD_TYPE_IFIFO (0x0f << FIFOLD_TYPE_SHIFT) - - /* Other types. Need to OR in last/flush bits as desired */ - #define FIFOLD_TYPE_MSG_MASK (0x38 << FIFOLD_TYPE_SHIFT) -@@ -1522,6 +1523,7 @@ - #define MATH_SRC1_INFIFO (0x0a << MATH_SRC1_SHIFT) - #define MATH_SRC1_OUTFIFO (0x0b << MATH_SRC1_SHIFT) - #define MATH_SRC1_ONE (0x0c << MATH_SRC1_SHIFT) -+#define MATH_SRC1_ZERO (0x0f << MATH_SRC1_SHIFT) - - /* Destination selectors */ - #define MATH_DEST_SHIFT 8 ---- a/drivers/crypto/caam/jr.c -+++ b/drivers/crypto/caam/jr.c -@@ -62,6 +62,14 @@ algs_unlock: - mutex_unlock(&algs_lock); - } - -+static int jr_driver_probed; -+ -+int caam_jr_driver_probed(void) -+{ -+ return jr_driver_probed; -+} -+EXPORT_SYMBOL(caam_jr_driver_probed); -+ - static int caam_reset_hw_jr(struct device *dev) - { - struct caam_drv_private_jr *jrp = dev_get_drvdata(dev); -@@ -147,6 +155,8 @@ static int caam_jr_remove(struct platfor - if (ret) - dev_err(jrdev, "Failed to shut down job ring\n"); - -+ jr_driver_probed--; -+ - return ret; - } - -@@ -311,6 +321,36 @@ struct device *caam_jr_alloc(void) - EXPORT_SYMBOL(caam_jr_alloc); - - /** -+ * caam_jridx_alloc() - Alloc a specific job ring based on its index. -+ * -+ * returns : pointer to the newly allocated physical -+ * JobR dev can be written to if successful. -+ **/ -+struct device *caam_jridx_alloc(int idx) -+{ -+ struct caam_drv_private_jr *jrpriv; -+ struct device *dev = ERR_PTR(-ENODEV); -+ -+ spin_lock(&driver_data.jr_alloc_lock); -+ -+ if (list_empty(&driver_data.jr_list)) -+ goto end; -+ -+ list_for_each_entry(jrpriv, &driver_data.jr_list, list_node) { -+ if (jrpriv->ridx == idx) { -+ atomic_inc(&jrpriv->tfm_count); -+ dev = jrpriv->dev; -+ break; -+ } -+ } -+ -+end: -+ spin_unlock(&driver_data.jr_alloc_lock); -+ return dev; -+} -+EXPORT_SYMBOL(caam_jridx_alloc); -+ -+/** - * caam_jr_free() - Free the Job Ring - * @rdev - points to the dev that identifies the Job ring to - * be released. -@@ -565,6 +605,7 @@ static int caam_jr_probe(struct platform - device_set_wakeup_enable(&pdev->dev, false); - - register_algs(jrdev->parent); -+ jr_driver_probed++; - - return 0; - } ---- a/drivers/crypto/caam/jr.h -+++ b/drivers/crypto/caam/jr.h -@@ -9,7 +9,9 @@ - #define JR_H - - /* Prototypes for backend-level services exposed to APIs */ -+int caam_jr_driver_probed(void); - struct device *caam_jr_alloc(void); -+struct device *caam_jridx_alloc(int idx); - void caam_jr_free(struct device *rdev); - int caam_jr_enqueue(struct device *dev, u32 *desc, - void (*cbk)(struct device *dev, u32 *desc, u32 status, |