crypto: nx - reduce chattiness of platform drivers

While we never would successfully load on the wrong machine type, there
is extra output by default regardless of machine type.

For instance, on a PowerVM LPAR, we see the following:

nx_compress_powernv: loading
nx_compress_powernv: no coprocessors found

even though those coprocessors could never be found.

Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
Cc: Dan Streetman <ddstreet@us.ibm.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c
index 33b3b0abf4ae7f555f12b5b02bd4e0759a6d5e2b..7e474562058daab05e9012765c525e6cb143e64d 100644 (file)
--- a/drivers/crypto/nx/nx-842-powernv.c
+++ b/drivers/crypto/nx/nx-842-powernv.c
@@ -594,15 +594,11 @@ static __init int nx842_powernv_init(void)
        BUILD_BUG_ON(DDE_BUFFER_ALIGN % DDE_BUFFER_SIZE_MULT);
        BUILD_BUG_ON(DDE_BUFFER_SIZE_MULT % DDE_BUFFER_LAST_MULT);
 
-       pr_info("loading\n");
-
        for_each_compatible_node(dn, NULL, "ibm,power-nx")
                nx842_powernv_probe(dn);
 
-       if (!nx842_ct) {
-               pr_err("no coprocessors found\n");
+       if (!nx842_ct)
                return -ENODEV;
-       }
 
        if (!nx842_platform_driver_set(&nx842_powernv_driver)) {
                struct nx842_coproc *coproc, *n;
@@ -615,8 +611,6 @@ static __init int nx842_powernv_init(void)
                return -EEXIST;
        }
 
-       pr_info("loaded\n");
-
        return 0;
 }
 module_init(nx842_powernv_init);
@@ -631,7 +625,5 @@ static void __exit nx842_powernv_exit(void)
                list_del(&coproc->list);
                kfree(coproc);
        }
-
-       pr_info("unloaded\n");
 }
 module_exit(nx842_powernv_exit);

diff --git a/drivers/crypto/nx/nx-842-pseries.c b/drivers/crypto/nx/nx-842-pseries.c
index b84b0ceeb46ecaaeabab0f484332447d085d9547..d44524da6589dd3bfb4015bc1dac4304aa927e5d 100644 (file)
--- a/drivers/crypto/nx/nx-842-pseries.c
+++ b/drivers/crypto/nx/nx-842-pseries.c
@@ -1091,8 +1091,6 @@ static int __init nx842_pseries_init(void)
        struct nx842_devdata *new_devdata;
        int ret;
 
-       pr_info("Registering IBM Power 842 compression driver\n");
-
        if (!of_find_compatible_node(NULL, NULL, "ibm,compression"))
                return -ENODEV;
 
@@ -1129,7 +1127,6 @@ static void __exit nx842_pseries_exit(void)
        struct nx842_devdata *old_devdata;
        unsigned long flags;
 
-       pr_info("Exiting IBM Power 842 compression driver\n");
        nx842_platform_driver_unset(&nx842_pseries_driver);
        spin_lock_irqsave(&devdata_mutex, flags);
        old_devdata = rcu_dereference_check(devdata,